188925113 has 16 divisors (see below), whose sum is σ = 217694400. Its totient is φ = 162492480.

The previous prime is 188925109. The next prime is 188925119. The reversal of 188925113 is 311529881.

It is a cyclic number.

It is not a de Polignac number, because 188925113 - 2² = 188925109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (188925119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8798 + ... + 21336.

It is an arithmetic number, because the mean of its divisors is an integer number (13605900).

Almost surely, 2^188925113 is an apocalyptic number.

188925113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

188925113 is a deficient number, since it is larger than the sum of its proper divisors (28769287).

188925113 is a wasteful number, since it uses less digits than its factorization.

188925113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632.

The product of its digits is 17280, while the sum is 38.

The square root of 188925113 is about 13745.0032011637. The cubic root of 188925113 is about 573.8035492222.

The spelling of 188925113 in words is "one hundred eighty-eight million, nine hundred twenty-five thousand, one hundred thirteen".