130688091 has 6 divisors (see below), whose sum is σ = 188771700. Its totient is φ = 87125388.

The previous prime is 130688087. The next prime is 130688111. The reversal of 130688091 is 190886031.

It is not a de Polignac number, because 130688091 - 2² = 130688087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130688011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7260441 + ... + 7260458.

It is an arithmetic number, because the mean of its divisors is an integer number (31461950).

Almost surely, 2^130688091 is an apocalyptic number.

130688091 is a deficient number, since it is larger than the sum of its proper divisors (58083609).

130688091 is a wasteful number, since it uses less digits than its factorization.

130688091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14520905 (or 14520902 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 130688091 is about 11431.8892139488. The cubic root of 130688091 is about 507.4719063614.

The spelling of 130688091 in words is "one hundred thirty million, six hundred eighty-eight thousand, ninety-one".