113430865 has 8 divisors (see below), whose sum is σ = 138685608. Its totient is φ = 89032320.

The previous prime is 113430859. The next prime is 113430883. The reversal of 113430865 is 568034311.

It can be written as a sum of positive squares in 4 ways, for example, as 31002624 + 82428241 = 5568^2 + 9079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113430865 - 2⁹ = 113430353 is a prime.

It is a super-2 number, since 2×113430865² = 25733122269296450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213756 + ... + 214285.

It is an arithmetic number, because the mean of its divisors is an integer number (17335701).

Almost surely, 2^113430865 is an apocalyptic number.

It is an amenable number.

113430865 is a deficient number, since it is larger than the sum of its proper divisors (25254743).

113430865 is an equidigital number, since it uses as much as digits as its factorization.

113430865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428099.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 113430865 is about 10650.3927157641. The cubic root of 113430865 is about 484.0725038231.

The spelling of 113430865 in words is "one hundred thirteen million, four hundred thirty thousand, eight hundred sixty-five".