130131997 has 8 divisors (see below), whose sum is σ = 133806816. Its totient is φ = 126465552.

The previous prime is 130131949. The next prime is 130132027. The reversal of 130131997 is 799131031.

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 130131997 - 2²³ = 121743389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130131697) 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 7 ways as a sum of consecutive naturals, for example, 42438 + ... + 45400.

It is an arithmetic number, because the mean of its divisors is an integer number (16725852).

Almost surely, 2^130131997 is an apocalyptic number.

It is an amenable number.

130131997 is a deficient number, since it is larger than the sum of its proper divisors (3674819).

130131997 is a wasteful number, since it uses less digits than its factorization.

130131997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 130131997 is about 11407.5412337629. The cubic root of 130131997 is about 506.7510977621.

The spelling of 130131997 in words is "one hundred thirty million, one hundred thirty-one thousand, nine hundred ninety-seven".