113668199 has 4 divisors (see below), whose sum is σ = 115812936. Its totient is φ = 111523464.

The previous prime is 113668187. The next prime is 113668201. The reversal of 113668199 is 991866311.

It is a happy number.

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 113668199 - 2⁴ = 113668183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113668099) 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, 1072289 + ... + 1072394.

It is an arithmetic number, because the mean of its divisors is an integer number (28953234).

Almost surely, 2^113668199 is an apocalyptic number.

113668199 is a deficient number, since it is larger than the sum of its proper divisors (2144737).

113668199 is an equidigital number, since it uses as much as digits as its factorization.

113668199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144736.

The product of its digits is 69984, while the sum is 44.

The square root of 113668199 is about 10661.5289241272. The cubic root of 113668199 is about 484.4098806321.

The spelling of 113668199 in words is "one hundred thirteen million, six hundred sixty-eight thousand, one hundred ninety-nine".