130557839 has 2 divisors, whose sum is σ = 130557840. Its totient is φ = 130557838.

The previous prime is 130557781. The next prime is 130557857. The reversal of 130557839 is 938755031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130557839 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 130557796 and 130557805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130557439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65278919 + 65278920.

It is an arithmetic number, because the mean of its divisors is an integer number (65278920).

Almost surely, 2^130557839 is an apocalyptic number.

130557839 is a deficient number, since it is larger than the sum of its proper divisors (1).

130557839 is an equidigital number, since it uses as much as digits as its factorization.

130557839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 130557839 is about 11426.1909226128. The cubic root of 130557839 is about 507.3032574765.

The spelling of 130557839 in words is "one hundred thirty million, five hundred fifty-seven thousand, eight hundred thirty-nine".