116189 has 2 divisors, whose sum is σ = 116190. Its totient is φ = 116188.

The previous prime is 116177. The next prime is 116191. The reversal of 116189 is 981611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80089 + 36100 = 283^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 116189 - 2⁸ = 115933 is a prime.

Together with 116191, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is equal to p₁₀₉₇₉ and since 116189 and 10979 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58094 + 58095.

It is an arithmetic number, because the mean of its divisors is an integer number (58095).

2¹¹⁶¹⁸⁹ is an apocalyptic number.

It is an amenable number.

116189 is a deficient number, since it is larger than the sum of its proper divisors (1).

116189 is an equidigital number, since it uses as much as digits as its factorization.

116189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 26.

The square root of 116189 is about 340.8650759465. The cubic root of 116189 is about 48.7964623880.

The spelling of 116189 in words is "one hundred sixteen thousand, one hundred eighty-nine".