1390611372 has 48 divisors (see below), whose sum is σ = 3457907712. Its totient is φ = 433945600.

The previous prime is 1390611319. The next prime is 1390611421. The reversal of 1390611372 is 2731160931.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40629 + ... + 66572.

It is an arithmetic number, because the mean of its divisors is an integer number (72039744).

Almost surely, 2^1390611372 is an apocalyptic number.

1390611372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1390611372 is an abundant number, since it is smaller than the sum of its proper divisors (2067296340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1390611372 is a wasteful number, since it uses less digits than its factorization.

1390611372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107278 (or 107276 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 1390611372 is about 37290.9020003539. The cubic root of 1390611372 is about 1116.1826277092.

The spelling of 1390611372 in words is "one billion, three hundred ninety million, six hundred eleven thousand, three hundred seventy-two".