139475692 has 12 divisors (see below), whose sum is σ = 244233976. Its totient is φ = 69694560.

The previous prime is 139475689. The next prime is 139475719. The reversal of 139475692 is 296574931.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2934 + ... + 16957.

Almost surely, 2^139475692 is an apocalyptic number.

It is an amenable number.

139475692 is a deficient number, since it is larger than the sum of its proper divisors (104758284).

139475692 is a wasteful number, since it uses less digits than its factorization.

139475692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21648 (or 21646 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The square root of 139475692 is about 11809.9827264903. The cubic root of 139475692 is about 518.6003930700.

The spelling of 139475692 in words is "one hundred thirty-nine million, four hundred seventy-five thousand, six hundred ninety-two".