188892113 has 2 divisors, whose sum is σ = 188892114. Its totient is φ = 188892112.

The previous prime is 188892103. The next prime is 188892127. The reversal of 188892113 is 311298881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156550144 + 32341969 = 12512^2 + 5687^2 .

It is an emirp because it is prime and its reverse (311298881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 188892113 - 2⁴ = 188892097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (188892103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94446056 + 94446057.

It is an arithmetic number, because the mean of its divisors is an integer number (94446057).

Almost surely, 2^188892113 is an apocalyptic number.

It is an amenable number.

188892113 is a deficient number, since it is larger than the sum of its proper divisors (1).

188892113 is an equidigital number, since it uses as much as digits as its factorization.

188892113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 41.

The square root of 188892113 is about 13743.8027124955. The cubic root of 188892113 is about 573.7701380654.

The spelling of 188892113 in words is "one hundred eighty-eight million, eight hundred ninety-two thousand, one hundred thirteen".