113010509 has 16 divisors (see below), whose sum is σ = 122258160. Its totient is φ = 104079360.

The previous prime is 113010503. The next prime is 113010517. The reversal of 113010509 is 905010311.

It can be written as a sum of positive squares in 8 ways, for example, as 3912484 + 109098025 = 1978^2 + 10445^2 .

It is a cyclic number.

It is not a de Polignac number, because 113010509 - 2⁸ = 113010253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113010503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170639 + ... + 171299.

It is an arithmetic number, because the mean of its divisors is an integer number (7641135).

Almost surely, 2^113010509 is an apocalyptic number.

It is an amenable number.

113010509 is a deficient number, since it is larger than the sum of its proper divisors (9247651).

113010509 is a wasteful number, since it uses less digits than its factorization.

113010509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

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

The square root of 113010509 is about 10630.6401030230. The cubic root of 113010509 is about 483.4737994698.

The spelling of 113010509 in words is "one hundred thirteen million, ten thousand, five hundred nine".