130799657 has 4 divisors (see below), whose sum is σ = 135310020. Its totient is φ = 126289296.

The previous prime is 130799653. The next prime is 130799663. The reversal of 130799657 is 756997031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37503376 + 93296281 = 6124^2 + 9659^2 .

It is a cyclic number.

It is not a de Polignac number, because 130799657 - 2² = 130799653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130799653) 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, 2255138 + ... + 2255195.

It is an arithmetic number, because the mean of its divisors is an integer number (33827505).

Almost surely, 2^130799657 is an apocalyptic number.

It is an amenable number.

130799657 is a deficient number, since it is larger than the sum of its proper divisors (4510363).

130799657 is an equidigital number, since it uses as much as digits as its factorization.

130799657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510362.

The product of its (nonzero) digits is 357210, while the sum is 47.

The square root of 130799657 is about 11436.7677689109. The cubic root of 130799657 is about 507.6162717407.

The spelling of 130799657 in words is "one hundred thirty million, seven hundred ninety-nine thousand, six hundred fifty-seven".