113868215 has 4 divisors (see below), whose sum is σ = 136641864. Its totient is φ = 91094568.

The previous prime is 113868211. The next prime is 113868229. The reversal of 113868215 is 512868311.

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 113868215 - 2² = 113868211 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 (113868211) 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, 11386817 + ... + 11386826.

It is an arithmetic number, because the mean of its divisors is an integer number (34160466).

Almost surely, 2^113868215 is an apocalyptic number.

113868215 is a deficient number, since it is larger than the sum of its proper divisors (22773649).

113868215 is an equidigital number, since it uses as much as digits as its factorization.

113868215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22773648.

The product of its digits is 11520, while the sum is 35.

The square root of 113868215 is about 10670.9050693931. The cubic root of 113868215 is about 484.6938444039.

The spelling of 113868215 in words is "one hundred thirteen million, eight hundred sixty-eight thousand, two hundred fifteen".