113251839 has 16 divisors (see below), whose sum is σ = 157887744. Its totient is φ = 72072000.

The previous prime is 113251769. The next prime is 113251843. The reversal of 113251839 is 938152311.

It is a de Polignac number, because none of the positive numbers 2^k-113251839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113251139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40104 + ... + 42834.

It is an arithmetic number, because the mean of its divisors is an integer number (9867984).

Almost surely, 2^113251839 is an apocalyptic number.

113251839 is a deficient number, since it is larger than the sum of its proper divisors (44635905).

113251839 is a wasteful number, since it uses less digits than its factorization.

113251839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358.

The product of its digits is 6480, while the sum is 33.

The square root of 113251839 is about 10641.9847303029. The cubic root of 113251839 is about 483.8177019334.

The spelling of 113251839 in words is "one hundred thirteen million, two hundred fifty-one thousand, eight hundred thirty-nine".