113503865 has 8 divisors (see below), whose sum is σ = 140598528. Its totient is φ = 87873840.

The previous prime is 113503861. The next prime is 113503877. The reversal of 113503865 is 568305311.

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

It is not a de Polignac number, because 113503865 - 2² = 113503861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113503861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365987 + ... + 366296.

It is an arithmetic number, because the mean of its divisors is an integer number (17574816).

Almost surely, 2^113503865 is an apocalyptic number.

It is an amenable number.

113503865 is a deficient number, since it is larger than the sum of its proper divisors (27094663).

113503865 is an equidigital number, since it uses as much as digits as its factorization.

113503865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732319.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 113503865 is about 10653.8192682249. The cubic root of 113503865 is about 484.1763254031.

The spelling of 113503865 in words is "one hundred thirteen million, five hundred three thousand, eight hundred sixty-five".