189077039 has 2 divisors, whose sum is σ = 189077040. Its totient is φ = 189077038.

The previous prime is 189076991. The next prime is 189077041. The reversal of 189077039 is 930770981.

189077039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189077039 - 2²⁴ = 172299823 is a prime.

Together with 189077041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189077059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94538519 + 94538520.

It is an arithmetic number, because the mean of its divisors is an integer number (94538520).

Almost surely, 2^189077039 is an apocalyptic number.

189077039 is a deficient number, since it is larger than the sum of its proper divisors (1).

189077039 is an equidigital number, since it uses as much as digits as its factorization.

189077039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 189077039 is about 13750.5286807453. The cubic root of 189077039 is about 573.9573179463.

The spelling of 189077039 in words is "one hundred eighty-nine million, seventy-seven thousand, thirty-nine".