A month is not a fixed period of time. There are 1440 minutes in a day.
The number of minutes in 3 average months of 30.4 days is 131487.12 minutes
For a month of 28 days (40310 minutes), 3 months is 120,960 minutes
For a month of 29 days (41760 minutes), 3 months is 125,280 minutes
For a month of 30 days (43200 minutes), 3 months is 129,600 minutes
For a month of 31 days (44640 minutes), 3 months is 133,920 minutes
For 365 days divided by 4 = 131,400 minutes in 3 months
For 366 days divided by 4 = 131,760 minutes in 3 months
14 months = 613,200 minutes.
15 months = 657,000 minutes.
11 months = 481,800 minutes.
4 months = 175,316.25 minutes
12 months = 525,948.8 minutes
500 months = 21,900,000 minutes.
15 months = 657,000 minutes.
6 months = 262,974.4 minutes
14 months = 613,200 minutes.
15 months = 657,000 minutes.
11 months = 481,800 minutes.
4 months = 175,316.25 minutes
10 months = 438,290.6 minutes.
12 months = 525,948.8 minutes
3.2 months = 140,253 minutes.
2191 minutes = 0.0543402 months
1 billion minutes is about 22,816 months.