113138163 has 12 divisors (see below), whose sum is σ = 163517328. Its totient is φ = 75381360.

The previous prime is 113138153. The next prime is 113138177. The reversal of 113138163 is 361831311.

It is not a de Polignac number, because 113138163 - 2⁵ = 113138131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113138153) 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, 22081 + ... + 26717.

It is an arithmetic number, because the mean of its divisors is an integer number (13626444).

Almost surely, 2^113138163 is an apocalyptic number.

113138163 is a deficient number, since it is larger than the sum of its proper divisors (50379165).

113138163 is a wasteful number, since it uses less digits than its factorization.

113138163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354 (or 7351 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 113138163 is about 10636.6424683732. The cubic root of 113138163 is about 483.6557711624.

Adding to 113138163 its reverse (361831311), we get a palindrome (474969474).

The spelling of 113138163 in words is "one hundred thirteen million, one hundred thirty-eight thousand, one hundred sixty-three".