113539138 has 16 divisors (see below), whose sum is σ = 173244960. Its totient is φ = 55794816.

The previous prime is 113539133. The next prime is 113539171. The reversal of 113539138 is 831935311.

It is a super-2 number, since 2×113539138² = 25782271715566088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113539133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89553 + ... + 90811.

It is an arithmetic number, because the mean of its divisors is an integer number (10827810).

Almost surely, 2^113539138 is an apocalyptic number.

113539138 is a deficient number, since it is larger than the sum of its proper divisors (59705822).

113539138 is a wasteful number, since it uses less digits than its factorization.

113539138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001.

The product of its digits is 9720, while the sum is 34.

The square root of 113539138 is about 10655.4745553635. The cubic root of 113539138 is about 484.2264751865.

The spelling of 113539138 in words is "one hundred thirteen million, five hundred thirty-nine thousand, one hundred thirty-eight".