113501009 has 4 divisors (see below), whose sum is σ = 113525760. Its totient is φ = 113476260.

The previous prime is 113500987. The next prime is 113501023. The reversal of 113501009 is 900105311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 900105311 = 7 ⋅128586473.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113501009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113501039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3257 + ... + 15414.

It is an arithmetic number, because the mean of its divisors is an integer number (28381440).

Almost surely, 2^113501009 is an apocalyptic number.

It is an amenable number.

113501009 is a deficient number, since it is larger than the sum of its proper divisors (24751).

113501009 is an equidigital number, since it uses as much as digits as its factorization.

113501009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24750.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 113501009 is about 10653.6852309424. The cubic root of 113501009 is about 484.1722643984.

The spelling of 113501009 in words is "one hundred thirteen million, five hundred one thousand, nine".