139962472 has 32 divisors (see below), whose sum is σ = 283144680. Its totient is φ = 64477440.

The previous prime is 139962373. The next prime is 139962481. The reversal of 139962472 is 274269931.

It can be written as a sum of positive squares in 4 ways, for example, as 15729156 + 124233316 = 3966^2 + 11146^2 .

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, 79522 + ... + 81262.

Almost surely, 2^139962472 is an apocalyptic number.

It is an amenable number.

139962472 is an abundant number, since it is smaller than the sum of its proper divisors (143182208).

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

139962472 is a wasteful number, since it uses less digits than its factorization.

139962472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533 (or 2529 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 139962472 is about 11830.5736124670. The cubic root of 139962472 is about 519.2030098678.

The spelling of 139962472 in words is "one hundred thirty-nine million, nine hundred sixty-two thousand, four hundred seventy-two".