113656665 has 16 divisors (see below), whose sum is σ = 181987200. Its totient is φ = 60571392.

The previous prime is 113656663. The next prime is 113656667. The reversal of 113656665 is 566656311.

It is an interprime number because it is at equal distance from previous prime (113656663) and next prime (113656667).

It is not a de Polignac number, because 113656665 - 2¹ = 113656663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113656663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30156 + ... + 33714.

It is an arithmetic number, because the mean of its divisors is an integer number (11374200).

Almost surely, 2^113656665 is an apocalyptic number.

113656665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113656665 is a deficient number, since it is larger than the sum of its proper divisors (68330535).

113656665 is a wasteful number, since it uses less digits than its factorization.

113656665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696.

The product of its digits is 97200, while the sum is 39.

The square root of 113656665 is about 10660.9879936149. The cubic root of 113656665 is about 484.3934955962.

The spelling of 113656665 in words is "one hundred thirteen million, six hundred fifty-six thousand, six hundred sixty-five".