130005239 has 32 divisors (see below), whose sum is σ = 178375680. Its totient is φ = 91694592.

The previous prime is 130005233. The next prime is 130005283. The reversal of 130005239 is 932500031.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130005239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130005233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27182 + ... + 31604.

It is an arithmetic number, because the mean of its divisors is an integer number (5574240).

Almost surely, 2^130005239 is an apocalyptic number.

130005239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

130005239 is a deficient number, since it is larger than the sum of its proper divisors (48370441).

130005239 is a wasteful number, since it uses less digits than its factorization.

130005239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 130005239 is about 11401.9839940249. The cubic root of 130005239 is about 506.5865068727.

The spelling of 130005239 in words is "one hundred thirty million, five thousand, two hundred thirty-nine".