113937639 has 8 divisors (see below), whose sum is σ = 151985520. Its totient is φ = 75924096.

The previous prime is 113937631. The next prime is 113937683. The reversal of 113937639 is 936739311.

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

It is not a de Polignac number, because 113937639 - 2³ = 113937631 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 113937639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113937631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549 + ... + 15105.

It is an arithmetic number, because the mean of its divisors is an integer number (18998190).

Almost surely, 2^113937639 is an apocalyptic number.

113937639 is a deficient number, since it is larger than the sum of its proper divisors (38047881).

113937639 is a wasteful number, since it uses less digits than its factorization.

113937639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17169.

The product of its digits is 91854, while the sum is 42.

The square root of 113937639 is about 10674.1575311591. The cubic root of 113937639 is about 484.7923282791.

The spelling of 113937639 in words is "one hundred thirteen million, nine hundred thirty-seven thousand, six hundred thirty-nine".