113668187 has 2 divisors, whose sum is σ = 113668188. Its totient is φ = 113668186.

The previous prime is 113668183. The next prime is 113668201. The reversal of 113668187 is 781866311.

It is a weak prime.

It is an emirp because it is prime and its reverse (781866311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113668187 - 2² = 113668183 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113668183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56834093 + 56834094.

It is an arithmetic number, because the mean of its divisors is an integer number (56834094).

Almost surely, 2^113668187 is an apocalyptic number.

113668187 is a deficient number, since it is larger than the sum of its proper divisors (1).

113668187 is an equidigital number, since it uses as much as digits as its factorization.

113668187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 41.

The square root of 113668187 is about 10661.5283613561. The cubic root of 113668187 is about 484.4098635856.

The spelling of 113668187 in words is "one hundred thirteen million, six hundred sixty-eight thousand, one hundred eighty-seven".