186704113 has 2 divisors, whose sum is σ = 186704114. Its totient is φ = 186704112.

The previous prime is 186704093. The next prime is 186704123. The reversal of 186704113 is 311407681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185422689 + 1281424 = 13617^2 + 1132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-186704113 is a prime.

It is a super-2 number, since 2×186704113² = 69716851622233538, which contains 22 as substring.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (186704123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93352056 + 93352057.

It is an arithmetic number, because the mean of its divisors is an integer number (93352057).

Almost surely, 2^186704113 is an apocalyptic number.

It is an amenable number.

186704113 is a deficient number, since it is larger than the sum of its proper divisors (1).

186704113 is an equidigital number, since it uses as much as digits as its factorization.

186704113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 186704113 is about 13663.9713480379. The cubic root of 186704113 is about 571.5461387829.

The spelling of 186704113 in words is "one hundred eighty-six million, seven hundred four thousand, one hundred thirteen".