239160091 has 2 divisors, whose sum is σ = 239160092. Its totient is φ = 239160090.

The previous prime is 239160073. The next prime is 239160107. The reversal of 239160091 is 190061932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 239160091 - 2⁵ = 239160059 is a prime.

It is not a weakly prime, because it can be changed into another prime (239160001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119580045 + 119580046.

It is an arithmetic number, because the mean of its divisors is an integer number (119580046).

Almost surely, 2^239160091 is an apocalyptic number.

239160091 is a deficient number, since it is larger than the sum of its proper divisors (1).

239160091 is an equidigital number, since it uses as much as digits as its factorization.

239160091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 239160091 is about 15464.8016799440. The cubic root of 239160091 is about 620.7207114941.

The spelling of 239160091 in words is "two hundred thirty-nine million, one hundred sixty thousand, ninety-one".