113130909 has 24 divisors (see below), whose sum is σ = 166289760. Its totient is φ = 74103072.

The previous prime is 113130887. The next prime is 113130911. The reversal of 113130909 is 909031311.

It is not a de Polignac number, because 113130909 - 2⁷ = 113130781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113130929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200662 + ... + 201224.

It is an arithmetic number, because the mean of its divisors is an integer number (6928740).

Almost surely, 2^113130909 is an apocalyptic number.

It is an amenable number.

113130909 is a deficient number, since it is larger than the sum of its proper divisors (53158851).

113130909 is a wasteful number, since it uses less digits than its factorization.

113130909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 27.

The square root of 113130909 is about 10636.3014718463. The cubic root of 113130909 is about 483.6454342025.

The spelling of 113130909 in words is "one hundred thirteen million, one hundred thirty thousand, nine hundred nine".