113136550 has 24 divisors (see below), whose sum is σ = 212374800. Its totient is φ = 44837280.

The previous prime is 113136523. The next prime is 113136559. The reversal of 113136550 is 55631311.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113136559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4930 + ... + 15829.

It is an arithmetic number, because the mean of its divisors is an integer number (8848950).

Almost surely, 2^113136550 is an apocalyptic number.

113136550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113136550 is a deficient number, since it is larger than the sum of its proper divisors (99238250).

113136550 is a wasteful number, since it uses less digits than its factorization.

113136550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20880 (or 20875 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 113136550 is about 10636.5666453043. The cubic root of 113136550 is about 483.6534726734.

Adding to 113136550 its reverse (55631311), we get a palindrome (168767861).

The spelling of 113136550 in words is "one hundred thirteen million, one hundred thirty-six thousand, five hundred fifty".