130551688 has 16 divisors (see below), whose sum is σ = 251400780. Its totient is φ = 63511488.

The previous prime is 130551677. The next prime is 130551709. The reversal of 130551688 is 886155031.

It can be written as a sum of positive squares in 2 ways, for example, as 96000804 + 34550884 = 9798^2 + 5878^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220231 + ... + 220822.

Almost surely, 2^130551688 is an apocalyptic number.

It is an amenable number.

130551688 is a deficient number, since it is larger than the sum of its proper divisors (120849092).

130551688 is a wasteful number, since it uses less digits than its factorization.

130551688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441096 (or 441092 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 130551688 is about 11425.9217571275. The cubic root of 130551688 is about 507.2952904549.

The spelling of 130551688 in words is "one hundred thirty million, five hundred fifty-one thousand, six hundred eighty-eight".