189297113 has 2 divisors, whose sum is σ = 189297114. Its totient is φ = 189297112.

The previous prime is 189297047. The next prime is 189297131. The reversal of 189297113 is 311792981.

It is a happy number.

189297113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (189297131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100240144 + 89056969 = 10012^2 + 9437^2 .

It is a cyclic number.

It is not a de Polignac number, because 189297113 - 2⁸ = 189296857 is a prime.

It is not a weakly prime, because it can be changed into another prime (189297013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94648556 + 94648557.

It is an arithmetic number, because the mean of its divisors is an integer number (94648557).

Almost surely, 2^189297113 is an apocalyptic number.

It is an amenable number.

189297113 is a deficient number, since it is larger than the sum of its proper divisors (1).

189297113 is an equidigital number, since it uses as much as digits as its factorization.

189297113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 41.

The square root of 189297113 is about 13758.5287367509. The cubic root of 189297113 is about 574.1799152330.

The spelling of 189297113 in words is "one hundred eighty-nine million, two hundred ninety-seven thousand, one hundred thirteen".