113664489 has 16 divisors (see below), whose sum is σ = 156384000. Its totient is φ = 73397376.

The previous prime is 113664487. The next prime is 113664541. The reversal of 113664489 is 984466311.

It is not a de Polignac number, because 113664489 - 2¹ = 113664487 is a prime.

It is a super-2 number, since 2×113664489² = 25839232119262242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113664489.

It is not an unprimeable number, because it can be changed into a prime (113664487) 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, 8037 + ... + 17085.

It is an arithmetic number, because the mean of its divisors is an integer number (9774000).

Almost surely, 2^113664489 is an apocalyptic number.

It is an amenable number.

113664489 is a deficient number, since it is larger than the sum of its proper divisors (42719511).

113664489 is an equidigital number, since it uses as much as digits as its factorization.

113664489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9184.

The product of its digits is 124416, while the sum is 42.

The square root of 113664489 is about 10661.3549326528. The cubic root of 113664489 is about 484.4046103799.

The spelling of 113664489 in words is "one hundred thirteen million, six hundred sixty-four thousand, four hundred eighty-nine".