115814189 has 2 divisors, whose sum is σ = 115814190. Its totient is φ = 115814188.

The previous prime is 115814159. The next prime is 115814203. The reversal of 115814189 is 981418511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59938564 + 55875625 = 7742^2 + 7475^2 .

It is an emirp because it is prime and its reverse (981418511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115814189 - 2²⁰ = 114765613 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 (115814129) 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, 57907094 + 57907095.

It is an arithmetic number, because the mean of its divisors is an integer number (57907095).

Almost surely, 2^115814189 is an apocalyptic number.

It is an amenable number.

115814189 is a deficient number, since it is larger than the sum of its proper divisors (1).

115814189 is an equidigital number, since it uses as much as digits as its factorization.

115814189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 38.

The square root of 115814189 is about 10761.7000980328. The cubic root of 115814189 is about 487.4393546300.

The spelling of 115814189 in words is "one hundred fifteen million, eight hundred fourteen thousand, one hundred eighty-nine".