186930113 has 24 divisors (see below), whose sum is σ = 212935200. Its totient is φ = 163565568.

The previous prime is 186930101. The next prime is 186930127. The reversal of 186930113 is 311039681.

It is not a de Polignac number, because 186930113 - 2⁶ = 186930049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 186930113.

It is not an unprimeable number, because it can be changed into a prime (186930013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323681 + ... + 324257.

It is an arithmetic number, because the mean of its divisors is an integer number (8872300).

Almost surely, 2^186930113 is an apocalyptic number.

It is an amenable number.

186930113 is a deficient number, since it is larger than the sum of its proper divisors (26005087).

186930113 is a wasteful number, since it uses less digits than its factorization.

186930113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 186930113 is about 13672.2387705891. The cubic root of 186930113 is about 571.7766592245.

Adding to 186930113 its reverse (311039681), we get a palindrome (497969794).

The spelling of 186930113 in words is "one hundred eighty-six million, nine hundred thirty thousand, one hundred thirteen".