113245189 has 2 divisors, whose sum is σ = 113245190. Its totient is φ = 113245188.

The previous prime is 113245183. The next prime is 113245193. The reversal of 113245189 is 981542311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111724900 + 1520289 = 10570^2 + 1233^2 .

It is a cyclic number.

It is not a de Polignac number, because 113245189 - 2⁷ = 113245061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113245183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56622594 + 56622595.

It is an arithmetic number, because the mean of its divisors is an integer number (56622595).

Almost surely, 2^113245189 is an apocalyptic number.

It is an amenable number.

113245189 is a deficient number, since it is larger than the sum of its proper divisors (1).

113245189 is an equidigital number, since it uses as much as digits as its factorization.

113245189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 34.

The square root of 113245189 is about 10641.6722839975. The cubic root of 113245189 is about 483.8082320336.

The spelling of 113245189 in words is "one hundred thirteen million, two hundred forty-five thousand, one hundred eighty-nine".