113420864 has 14 divisors (see below), whose sum is σ = 225069654. Its totient is φ = 56710400.

The previous prime is 113420863. The next prime is 113420869. The reversal of 113420864 is 468024311.

It can be written as a sum of positive squares in only one way, i.e., 61465600 + 51955264 = 7840^2 + 7208^2 .

It is not an unprimeable number, because it can be changed into a prime (113420863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 886037 + ... + 886164.

Almost surely, 2^113420864 is an apocalyptic number.

It is an amenable number.

113420864 is a deficient number, since it is larger than the sum of its proper divisors (111648790).

113420864 is an equidigital number, since it uses as much as digits as its factorization.

113420864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772213 (or 1772203 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 113420864 is about 10649.9231922113. The cubic root of 113420864 is about 484.0582767977.

The spelling of 113420864 in words is "one hundred thirteen million, four hundred twenty thousand, eight hundred sixty-four".