113632605 has 32 divisors (see below), whose sum is σ = 206323200. Its totient is φ = 59311296.

The previous prime is 113632591. The next prime is 113632613. The reversal of 113632605 is 506236311.

It is not a de Polignac number, because 113632605 - 2⁸ = 113632349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2610 + ... + 15299.

It is an arithmetic number, because the mean of its divisors is an integer number (6447600).

Almost surely, 2^113632605 is an apocalyptic number.

113632605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113632605 is a deficient number, since it is larger than the sum of its proper divisors (92690595).

113632605 is a wasteful number, since it uses less digits than its factorization.

113632605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17970 (or 17964 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 113632605 is about 10659.8595206504. The cubic root of 113632605 is about 484.3593127351.

Adding to 113632605 its reverse (506236311), we get a palindrome (619868916).

The spelling of 113632605 in words is "one hundred thirteen million, six hundred thirty-two thousand, six hundred five".