113779189 has 2 divisors, whose sum is σ = 113779190. Its totient is φ = 113779188.

The previous prime is 113779177. The next prime is 113779217. The reversal of 113779189 is 981977311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108680625 + 5098564 = 10425^2 + 2258^2 .

It is a cyclic number.

It is not a de Polignac number, because 113779189 - 2¹³ = 113770997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113779129) 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 as a sum of consecutive naturals, namely, 56889594 + 56889595.

It is an arithmetic number, because the mean of its divisors is an integer number (56889595).

Almost surely, 2^113779189 is an apocalyptic number.

It is an amenable number.

113779189 is a deficient number, since it is larger than the sum of its proper divisors (1).

113779189 is an equidigital number, since it uses as much as digits as its factorization.

113779189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 46.

The square root of 113779189 is about 10666.7328175032. The cubic root of 113779189 is about 484.5674948206.

The spelling of 113779189 in words is "one hundred thirteen million, seven hundred seventy-nine thousand, one hundred eighty-nine".