130131091 has 12 divisors (see below), whose sum is σ = 136533600. Its totient is φ = 123880848.

The previous prime is 130131061. The next prime is 130131103. The reversal of 130131091 is 190131031.

It is a happy number.

It is not a de Polignac number, because 130131091 - 2⁹ = 130130579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130131011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180630 + ... + 181348.

It is an arithmetic number, because the mean of its divisors is an integer number (11377800).

Almost surely, 2^130131091 is an apocalyptic number.

130131091 is a deficient number, since it is larger than the sum of its proper divisors (6402509).

130131091 is an frugal number, since it uses more digits than its factorization.

130131091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 130131091 is about 11407.5015231207. The cubic root of 130131091 is about 506.7499217317.

The spelling of 130131091 in words is "one hundred thirty million, one hundred thirty-one thousand, ninety-one".