130686539 has 2 divisors, whose sum is σ = 130686540. Its totient is φ = 130686538.

The previous prime is 130686509. The next prime is 130686547. The reversal of 130686539 is 935686031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130686539 - 2¹² = 130682443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130686496 and 130686505.

It is not a weakly prime, because it can be changed into another prime (130686509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65343269 + 65343270.

It is an arithmetic number, because the mean of its divisors is an integer number (65343270).

Almost surely, 2^130686539 is an apocalyptic number.

130686539 is a deficient number, since it is larger than the sum of its proper divisors (1).

130686539 is an equidigital number, since it uses as much as digits as its factorization.

130686539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 130686539 is about 11431.8213334534. The cubic root of 130686539 is about 507.4698975083.

The spelling of 130686539 in words is "one hundred thirty million, six hundred eighty-six thousand, five hundred thirty-nine".