113438151 has 20 divisors (see below), whose sum is σ = 178378200. Its totient is φ = 71644176.

The previous prime is 113438141. The next prime is 113438167. The reversal of 113438151 is 151834311.

It is not a de Polignac number, because 113438151 - 2⁷ = 113438023 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 not an unprimeable number, because it can be changed into a prime (113438141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35316 + ... + 38393.

It is an arithmetic number, because the mean of its divisors is an integer number (8918910).

Almost surely, 2^113438151 is an apocalyptic number.

113438151 is a deficient number, since it is larger than the sum of its proper divisors (64940049).

113438151 is an equidigital number, since it uses as much as digits as its factorization.

113438151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73740 (or 73731 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 113438151 is about 10650.7347633860. The cubic root of 113438151 is about 484.0828680708.

The spelling of 113438151 in words is "one hundred thirteen million, four hundred thirty-eight thousand, one hundred fifty-one".