130975709 has 4 divisors (see below), whose sum is σ = 131006304. Its totient is φ = 130945116.

The previous prime is 130975703. The next prime is 130975711. The reversal of 130975709 is 907579031.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130975709 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 (130975703) 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, 7577 + ... + 17870.

It is an arithmetic number, because the mean of its divisors is an integer number (32751576).

Almost surely, 2^130975709 is an apocalyptic number.

It is an amenable number.

130975709 is a deficient number, since it is larger than the sum of its proper divisors (30595).

130975709 is an equidigital number, since it uses as much as digits as its factorization.

130975709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30594.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 130975709 is about 11444.4619358011. The cubic root of 130975709 is about 507.8439145265.

The spelling of 130975709 in words is "one hundred thirty million, nine hundred seventy-five thousand, seven hundred nine".