113931738 has 32 divisors (see below), whose sum is σ = 255803520. Its totient is φ = 37584000.

The previous prime is 113931721. The next prime is 113931751. The reversal of 113931738 is 837139311.

It is a super-3 number, since 3×113931738³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5638 + ... + 16113.

It is an arithmetic number, because the mean of its divisors is an integer number (7993860).

Almost surely, 2^113931738 is an apocalyptic number.

113931738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113931738 is an abundant number, since it is smaller than the sum of its proper divisors (141871782).

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

113931738 is a wasteful number, since it uses less digits than its factorization.

113931738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21859 (or 21853 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 113931738 is about 10673.8811123227. The cubic root of 113931738 is about 484.7839587624.

It can be divided in two parts, 11393 and 1738, that added together give a palindrome (13131).

The spelling of 113931738 in words is "one hundred thirteen million, nine hundred thirty-one thousand, seven hundred thirty-eight".