139232312 has 32 divisors (see below), whose sum is σ = 279547200. Its totient is φ = 64779264.

The previous prime is 139232299. The next prime is 139232333. The reversal of 139232312 is 213232931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6353 + ... + 17855.

It is an arithmetic number, because the mean of its divisors is an integer number (8735850).

Almost surely, 2^139232312 is an apocalyptic number.

It is an amenable number.

139232312 is an abundant number, since it is smaller than the sum of its proper divisors (140314888).

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

139232312 is a wasteful number, since it uses less digits than its factorization.

139232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615 (or 11611 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

The square root of 139232312 is about 11799.6742327913. The cubic root of 139232312 is about 518.2985711831.

The spelling of 139232312 in words is "one hundred thirty-nine million, two hundred thirty-two thousand, three hundred twelve".