113139408 has 20 divisors (see below), whose sum is σ = 292276928. Its totient is φ = 37713120.

The previous prime is 113139379. The next prime is 113139409. The reversal of 113139408 is 804931311.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113139409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178488 + ... + 1178583.

Almost surely, 2^113139408 is an apocalyptic number.

It is an amenable number.

113139408 is an abundant number, since it is smaller than the sum of its proper divisors (179137520).

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

113139408 is a wasteful number, since it uses less digits than its factorization.

113139408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357082 (or 2357076 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 113139408 is about 10636.7009923190. The cubic root of 113139408 is about 483.6575452446.

The spelling of 113139408 in words is "one hundred thirteen million, one hundred thirty-nine thousand, four hundred eight".