113887291 has 4 divisors (see below), whose sum is σ = 130156912. Its totient is φ = 97617672.

The previous prime is 113887289. The next prime is 113887303. The reversal of 113887291 is 192788311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113887291 - 2¹ = 113887289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113887231) 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, 8134800 + ... + 8134813.

It is an arithmetic number, because the mean of its divisors is an integer number (32539228).

Almost surely, 2^113887291 is an apocalyptic number.

113887291 is a deficient number, since it is larger than the sum of its proper divisors (16269621).

113887291 is an equidigital number, since it uses as much as digits as its factorization.

113887291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16269620.

The product of its digits is 24192, while the sum is 40.

The square root of 113887291 is about 10671.7988642965. The cubic root of 113887291 is about 484.7209093272.

The spelling of 113887291 in words is "one hundred thirteen million, eight hundred eighty-seven thousand, two hundred ninety-one".