113856617 has 16 divisors (see below), whose sum is σ = 132495360. Its totient is φ = 95825808.

The previous prime is 113856571. The next prime is 113856619. The reversal of 113856617 is 716658311.

It is a cyclic number.

It is not a de Polignac number, because 113856617 - 2⁶ = 113856553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113856619) 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, 125078 + ... + 125984.

It is an arithmetic number, because the mean of its divisors is an integer number (8280960).

Almost surely, 2^113856617 is an apocalyptic number.

It is an amenable number.

113856617 is a deficient number, since it is larger than the sum of its proper divisors (18638743).

113856617 is an equidigital number, since it uses as much as digits as its factorization.

113856617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220.

The product of its digits is 30240, while the sum is 38.

The square root of 113856617 is about 10670.3616152406. The cubic root of 113856617 is about 484.6773877481.

The spelling of 113856617 in words is "one hundred thirteen million, eight hundred fifty-six thousand, six hundred seventeen".