130686529 has 4 divisors (see below), whose sum is σ = 136368576. Its totient is φ = 125004484.

The previous prime is 130686509. The next prime is 130686539. The reversal of 130686529 is 925686031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130686529 - 2¹⁷ = 130555457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130686491 and 130686500.

It is not an unprimeable number, because it can be changed into a prime (130686509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2840989 + ... + 2841034.

It is an arithmetic number, because the mean of its divisors is an integer number (34092144).

Almost surely, 2^130686529 is an apocalyptic number.

It is an amenable number.

130686529 is a deficient number, since it is larger than the sum of its proper divisors (5682047).

130686529 is an equidigital number, since it uses as much as digits as its factorization.

130686529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682046.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 130686529 is about 11431.8208960778. The cubic root of 130686529 is about 507.4698845646.

The spelling of 130686529 in words is "one hundred thirty million, six hundred eighty-six thousand, five hundred twenty-nine".