113539431 has 8 divisors (see below), whose sum is σ = 157968000. Its totient is φ = 72401912.

The previous prime is 113539429. The next prime is 113539457. The reversal of 113539431 is 134935311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113539431 - 2¹ = 113539429 is a prime.

It is a super-2 number, since 2×113539431² = 25782404783607522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113539411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822681 + ... + 822818.

It is an arithmetic number, because the mean of its divisors is an integer number (19746000).

Almost surely, 2^113539431 is an apocalyptic number.

113539431 is a deficient number, since it is larger than the sum of its proper divisors (44428569).

113539431 is a wasteful number, since it uses less digits than its factorization.

113539431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645525.

The product of its digits is 4860, while the sum is 30.

The square root of 113539431 is about 10655.4883041558. The cubic root of 113539431 is about 484.2268917190.

The spelling of 113539431 in words is "one hundred thirteen million, five hundred thirty-nine thousand, four hundred thirty-one".