113839947 has 12 divisors (see below), whose sum is σ = 177084544. Its totient is φ = 70055280.

The previous prime is 113839933. The next prime is 113839981. The reversal of 113839947 is 749938311.

It is not a de Polignac number, because 113839947 - 2²⁴ = 97062731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113839907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486379 + ... + 486612.

Almost surely, 2^113839947 is an apocalyptic number.

113839947 is a deficient number, since it is larger than the sum of its proper divisors (63244597).

113839947 is a wasteful number, since it uses less digits than its factorization.

113839947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973010 (or 973007 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 113839947 is about 10669.5804509831. The cubic root of 113839947 is about 484.6537323629.

The spelling of 113839947 in words is "one hundred thirteen million, eight hundred thirty-nine thousand, nine hundred forty-seven".