113888999 has 8 divisors (see below), whose sum is σ = 130744320. Its totient is φ = 97180056.

The previous prime is 113888993. The next prime is 113889011. The reversal of 113888999 is 999888311.

It is a happy number.

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 113888999 - 2²⁴ = 97111783 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113888993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34919 + ... + 38040.

It is an arithmetic number, because the mean of its divisors is an integer number (16343040).

Almost surely, 2^113888999 is an apocalyptic number.

113888999 is a deficient number, since it is larger than the sum of its proper divisors (16855321).

113888999 is an equidigital number, since it uses as much as digits as its factorization.

113888999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73189.

The product of its digits is 1119744, while the sum is 56.

The square root of 113888999 is about 10671.8788879934. The cubic root of 113888999 is about 484.7233324807.

The spelling of 113888999 in words is "one hundred thirteen million, eight hundred eighty-eight thousand, nine hundred ninety-nine".