180790139 has 2 divisors, whose sum is σ = 180790140. Its totient is φ = 180790138.

The previous prime is 180790091. The next prime is 180790163. The reversal of 180790139 is 931097081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 180790139 - 2¹² = 180786043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (180730139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90395069 + 90395070.

It is an arithmetic number, because the mean of its divisors is an integer number (90395070).

Almost surely, 2^180790139 is an apocalyptic number.

180790139 is a deficient number, since it is larger than the sum of its proper divisors (1).

180790139 is an equidigital number, since it uses as much as digits as its factorization.

180790139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 180790139 is about 13445.8223623548. The cubic root of 180790139 is about 565.4465772574.

The spelling of 180790139 in words is "one hundred eighty million, seven hundred ninety thousand, one hundred thirty-nine".