130591917 has 6 divisors (see below), whose sum is σ = 188632782. Its totient is φ = 87061272.

The previous prime is 130591913. The next prime is 130591931. The reversal of 130591917 is 719195031.

It can be written as a sum of positive squares in only one way, i.e., 68906601 + 61685316 = 8301^2 + 7854^2 .

It is not a de Polignac number, because 130591917 - 2² = 130591913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130591913) 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, 7255098 + ... + 7255115.

It is an arithmetic number, because the mean of its divisors is an integer number (31438797).

Almost surely, 2^130591917 is an apocalyptic number.

It is an amenable number.

130591917 is a deficient number, since it is larger than the sum of its proper divisors (58040865).

130591917 is a wasteful number, since it uses less digits than its factorization.

130591917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14510219 (or 14510216 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 36.

The square root of 130591917 is about 11427.6820484296. The cubic root of 130591917 is about 507.3473921338.

The spelling of 130591917 in words is "one hundred thirty million, five hundred ninety-one thousand, nine hundred seventeen".