1379631512 has 48 divisors (see below), whose sum is σ = 2975858160. Its totient is φ = 587390976.

The previous prime is 1379631497. The next prime is 1379631521. The reversal of 1379631512 is 2151369731.

It is a super-2 number, since 2×1379631512² = 3806766217806812288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3698558 + ... + 3698930.

It is an arithmetic number, because the mean of its divisors is an integer number (61997045).

Almost surely, 2^1379631512 is an apocalyptic number.

It is an amenable number.

1379631512 is an abundant number, since it is smaller than the sum of its proper divisors (1596226648).

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

1379631512 is an equidigital number, since it uses as much as digits as its factorization.

1379631512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 639 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 1379631512 is about 37143.3912291272. The cubic root of 1379631512 is about 1113.2371782407.

The spelling of 1379631512 in words is "one billion, three hundred seventy-nine million, six hundred thirty-one thousand, five hundred twelve".