130791937 has 4 divisors (see below), whose sum is σ = 131412016. Its totient is φ = 130171860.

The previous prime is 130791923. The next prime is 130791949. The reversal of 130791937 is 739197031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 739197031 = 337 ⋅2193463.

It is a cyclic number.

It is not a de Polignac number, because 130791937 - 2⁷ = 130791809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130791937.

It is not an unprimeable number, because it can be changed into a prime (130791637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309723 + ... + 310144.

It is an arithmetic number, because the mean of its divisors is an integer number (32853004).

Almost surely, 2^130791937 is an apocalyptic number.

It is an amenable number.

130791937 is a deficient number, since it is larger than the sum of its proper divisors (620079).

130791937 is an equidigital number, since it uses as much as digits as its factorization.

130791937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620078.

The product of its (nonzero) digits is 35721, while the sum is 40.

The square root of 130791937 is about 11436.4302559846. The cubic root of 130791937 is about 507.6062847759.

The spelling of 130791937 in words is "one hundred thirty million, seven hundred ninety-one thousand, nine hundred thirty-seven".