113868217 has 4 divisors (see below), whose sum is σ = 114301440. Its totient is φ = 113434996.

The previous prime is 113868211. The next prime is 113868229. The reversal of 113868217 is 712868311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 712868311 = 139 ⋅5128549.

It is a cyclic number.

It is not a de Polignac number, because 113868217 - 2⁷ = 113868089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113868211) 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 3 ways as a sum of consecutive naturals, for example, 216217 + ... + 216742.

It is an arithmetic number, because the mean of its divisors is an integer number (28575360).

Almost surely, 2^113868217 is an apocalyptic number.

It is an amenable number.

113868217 is a deficient number, since it is larger than the sum of its proper divisors (433223).

113868217 is an equidigital number, since it uses as much as digits as its factorization.

113868217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433222.

The product of its digits is 16128, while the sum is 37.

The square root of 113868217 is about 10670.9051631059. The cubic root of 113868217 is about 484.6938472417.

The spelling of 113868217 in words is "one hundred thirteen million, eight hundred sixty-eight thousand, two hundred seventeen".