113503136 has 24 divisors (see below), whose sum is σ = 223804224. Its totient is φ = 56664000.

The previous prime is 113503133. The next prime is 113503147. The reversal of 113503136 is 631305311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (113503133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21671 + ... + 26393.

It is an arithmetic number, because the mean of its divisors is an integer number (9325176).

Almost surely, 2^113503136 is an apocalyptic number.

113503136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

113503136 is a deficient number, since it is larger than the sum of its proper divisors (110301088).

113503136 is an equidigital number, since it uses as much as digits as its factorization.

113503136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484 (or 5476 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 113503136 is about 10653.7850550872. The cubic root of 113503136 is about 484.1752888296.

Adding to 113503136 its reverse (631305311), we get a palindrome (744808447).

The spelling of 113503136 in words is "one hundred thirteen million, five hundred three thousand, one hundred thirty-six".