113809536 has 96 divisors (see below), whose sum is σ = 339721200. Its totient is φ = 37926144.

The previous prime is 113809523. The next prime is 113809547. The reversal of 113809536 is 635908311.

It is a happy number.

113809536 is a `hidden beast` number, since 113 + 8 + 0 + 9 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×113809536² = 25905220969070592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 113809536.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29275 + ... + 32933.

Almost surely, 2^113809536 is an apocalyptic number.

113809536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113809536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169860600).

113809536 is an abundant number, since it is smaller than the sum of its proper divisors (225911664).

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

113809536 is an frugal number, since it uses more digits than its factorization.

113809536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688 (or 3664 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 113809536 is about 10668.1552294668. The cubic root of 113809536 is about 484.6105720087.

The spelling of 113809536 in words is "one hundred thirteen million, eight hundred nine thousand, five hundred thirty-six".