130688704808 has 16 divisors (see below), whose sum is σ = 245069679060. Its totient is φ = 65336790400.

The previous prime is 130688704789. The next prime is 130688704813. The reversal of 130688704808 is 808407886031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109692115204 + 20996589604 = 331198^2 + 144902^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130688704808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871463 + ... + 1010358.

Almost surely, 2^130688704808 is an apocalyptic number.

It is an amenable number.

130688704808 is a deficient number, since it is larger than the sum of its proper divisors (114380974252).

130688704808 is a wasteful number, since it uses less digits than its factorization.

130688704808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890508 (or 1890504 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 130688704808 in words is "one hundred thirty billion, six hundred eighty-eight million, seven hundred four thousand, eight hundred eight".