113661536 has 24 divisors (see below), whose sum is σ = 225121680. Its totient is φ = 56487808.

The previous prime is 113661529. The next prime is 113661577. The reversal of 113661536 is 635166311.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5291 + ... + 15978.

It is an arithmetic number, because the mean of its divisors is an integer number (9380070).

Almost surely, 2^113661536 is an apocalyptic number.

113661536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

113661536 is a deficient number, since it is larger than the sum of its proper divisors (111460144).

113661536 is a wasteful number, since it uses less digits than its factorization.

113661536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21446 (or 21438 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 113661536 is about 10661.2164409133. The cubic root of 113661536 is about 484.4004154045.

The spelling of 113661536 in words is "one hundred thirteen million, six hundred sixty-one thousand, five hundred thirty-six".