130254239 has 4 divisors (see below), whose sum is σ = 130533624. Its totient is φ = 129974856.

The previous prime is 130254227. The next prime is 130254251. The reversal of 130254239 is 932452031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932452031 = 7 ⋅133207433.

It is an interprime number because it is at equal distance from previous prime (130254227) and next prime (130254251).

It is a cyclic number.

It is not a de Polignac number, because 130254239 - 2²⁰ = 129205663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130254269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138992 + ... + 139925.

It is an arithmetic number, because the mean of its divisors is an integer number (32633406).

Almost surely, 2^130254239 is an apocalyptic number.

130254239 is a deficient number, since it is larger than the sum of its proper divisors (279385).

130254239 is an equidigital number, since it uses as much as digits as its factorization.

130254239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279384.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 130254239 is about 11412.8979229642. The cubic root of 130254239 is about 506.9097235739.

The spelling of 130254239 in words is "one hundred thirty million, two hundred fifty-four thousand, two hundred thirty-nine".