113937647 has 4 divisors (see below), whose sum is σ = 116716656. Its totient is φ = 111158640.

The previous prime is 113937631. The next prime is 113937683. The reversal of 113937647 is 746739311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113937647 - 2⁴ = 113937631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 2778967 = 113937647 / (1 + 1 + 3 + 9 + 3 + 7 + 6 + 4 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113937847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389443 + ... + 1389524.

It is an arithmetic number, because the mean of its divisors is an integer number (29179164).

Almost surely, 2^113937647 is an apocalyptic number.

113937647 is a deficient number, since it is larger than the sum of its proper divisors (2779009).

113937647 is an equidigital number, since it uses as much as digits as its factorization.

113937647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779008.

The product of its digits is 95256, while the sum is 41.

The square root of 113937647 is about 10674.1579058959. The cubic root of 113937647 is about 484.7923396255.

The spelling of 113937647 in words is "one hundred thirteen million, nine hundred thirty-seven thousand, six hundred forty-seven".