113509506 has 16 divisors (see below), whose sum is σ = 247657248. Its totient is φ = 34396800.

The previous prime is 113509489. The next prime is 113509523. The reversal of 113509506 is 605905311.

It is an interprime number because it is at equal distance from previous prime (113509489) and next prime (113509523).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859855 + ... + 859986.

It is an arithmetic number, because the mean of its divisors is an integer number (15478578).

Almost surely, 2^113509506 is an apocalyptic number.

113509506 is an abundant number, since it is smaller than the sum of its proper divisors (134147742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113509506 is a wasteful number, since it uses less digits than its factorization.

113509506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719857.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 113509506 is about 10654.0840056759. The cubic root of 113509506 is about 484.1843462560.

The spelling of 113509506 in words is "one hundred thirteen million, five hundred nine thousand, five hundred six".