113688399 has 16 divisors (see below), whose sum is σ = 165674880. Its totient is φ = 68772960.

The previous prime is 113688371. The next prime is 113688409. The reversal of 113688399 is 993886311.

It is not a de Polignac number, because 113688399 - 2⁷ = 113688271 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113688329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16437 + ... + 22305.

It is an arithmetic number, because the mean of its divisors is an integer number (10354680).

Almost surely, 2^113688399 is an apocalyptic number.

113688399 is a deficient number, since it is larger than the sum of its proper divisors (51986481).

113688399 is a wasteful number, since it uses less digits than its factorization.

113688399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470.

The product of its digits is 279936, while the sum is 48.

The square root of 113688399 is about 10662.4762133381. The cubic root of 113688399 is about 484.4385737937.

The spelling of 113688399 in words is "one hundred thirteen million, six hundred eighty-eight thousand, three hundred ninety-nine".