113433139 has 4 divisors (see below), whose sum is σ = 114473920. Its totient is φ = 112392360.

The previous prime is 113433127. The next prime is 113433143. The reversal of 113433139 is 931334311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931334311 = 41 ⋅22715471.

It is a cyclic number.

It is not a de Polignac number, because 113433139 - 2¹⁷ = 113302067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113433109) 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, 520227 + ... + 520444.

It is an arithmetic number, because the mean of its divisors is an integer number (28618480).

Almost surely, 2^113433139 is an apocalyptic number.

113433139 is a deficient number, since it is larger than the sum of its proper divisors (1040781).

113433139 is a wasteful number, since it uses less digits than its factorization.

113433139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040780.

The product of its digits is 2916, while the sum is 28.

The square root of 113433139 is about 10650.4994718558. The cubic root of 113433139 is about 484.0757386085.

The spelling of 113433139 in words is "one hundred thirteen million, four hundred thirty-three thousand, one hundred thirty-nine".