113235638 has 8 divisors (see below), whose sum is σ = 170530920. Its totient is φ = 56392000.

The previous prime is 113235637. The next prime is 113235667. The reversal of 113235638 is 836532311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113235637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112283 + ... + 113286.

It is an arithmetic number, because the mean of its divisors is an integer number (21316365).

Almost surely, 2^113235638 is an apocalyptic number.

113235638 is a deficient number, since it is larger than the sum of its proper divisors (57295282).

113235638 is a wasteful number, since it uses less digits than its factorization.

113235638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225822.

The product of its digits is 12960, while the sum is 32.

The square root of 113235638 is about 10641.2235198778. The cubic root of 113235638 is about 483.7946303305.

Adding to 113235638 its reverse (836532311), we get a palindrome (949767949).

It can be divided in two parts, 11323 and 5638, that added together give a palindrome (16961).

The spelling of 113235638 in words is "one hundred thirteen million, two hundred thirty-five thousand, six hundred thirty-eight".