130688689 has 8 divisors (see below), whose sum is σ = 134684928. Its totient is φ = 126731040.

The previous prime is 130688687. The next prime is 130688713. The reversal of 130688689 is 986886031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130688689 - 2¹ = 130688687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130688683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2697 + ... + 16390.

It is an arithmetic number, because the mean of its divisors is an integer number (16835616).

Almost surely, 2^130688689 is an apocalyptic number.

It is an amenable number.

130688689 is a deficient number, since it is larger than the sum of its proper divisors (3996239).

130688689 is a wasteful number, since it uses less digits than its factorization.

130688689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19295.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 130688689 is about 11431.9153688260. The cubic root of 130688689 is about 507.4726803869.

The spelling of 130688689 in words is "one hundred thirty million, six hundred eighty-eight thousand, six hundred eighty-nine".