113370209 has 4 divisors (see below), whose sum is σ = 113521920. Its totient is φ = 113218500.

The previous prime is 113370203. The next prime is 113370217. The reversal of 113370209 is 902073311.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113370209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113370203) 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, 74729 + ... + 76230.

It is an arithmetic number, because the mean of its divisors is an integer number (28380480).

Almost surely, 2^113370209 is an apocalyptic number.

It is an amenable number.

113370209 is a deficient number, since it is larger than the sum of its proper divisors (151711).

113370209 is an equidigital number, since it uses as much as digits as its factorization.

113370209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151710.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 113370209 is about 10647.5447404554. The cubic root of 113370209 is about 483.9862041579.

The spelling of 113370209 in words is "one hundred thirteen million, three hundred seventy thousand, two hundred nine".