130242239 has 2 divisors, whose sum is σ = 130242240. Its totient is φ = 130242238.

The previous prime is 130242223. The next prime is 130242251. The reversal of 130242239 is 932242031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130242239 - 2⁴ = 130242223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130242209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65121119 + 65121120.

It is an arithmetic number, because the mean of its divisors is an integer number (65121120).

Almost surely, 2^130242239 is an apocalyptic number.

130242239 is a deficient number, since it is larger than the sum of its proper divisors (1).

130242239 is an equidigital number, since it uses as much as digits as its factorization.

130242239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 130242239 is about 11412.3721898648. The cubic root of 130242239 is about 506.8941563173.

The spelling of 130242239 in words is "one hundred thirty million, two hundred forty-two thousand, two hundred thirty-nine".