190339189 has 2 divisors, whose sum is σ = 190339190. Its totient is φ = 190339188.

The previous prime is 190339187. The next prime is 190339213. The reversal of 190339189 is 981933091.

190339189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181440900 + 8898289 = 13470^2 + 2983^2 .

It is a cyclic number.

It is not a de Polignac number, because 190339189 - 2¹ = 190339187 is a prime.

Together with 190339187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190339183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95169594 + 95169595.

It is an arithmetic number, because the mean of its divisors is an integer number (95169595).

Almost surely, 2^190339189 is an apocalyptic number.

It is an amenable number.

190339189 is a deficient number, since it is larger than the sum of its proper divisors (1).

190339189 is an equidigital number, since it uses as much as digits as its factorization.

190339189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 190339189 is about 13796.3469440283. The cubic root of 190339189 is about 575.2316032348.

The spelling of 190339189 in words is "one hundred ninety million, three hundred thirty-nine thousand, one hundred eighty-nine".