130920709 has 8 divisors (see below), whose sum is σ = 133937280. Its totient is φ = 127913856.

The previous prime is 130920679. The next prime is 130920733. The reversal of 130920709 is 907029031.

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 130920709 - 2⁵ = 130920677 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 (130924709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29562 + ... + 33700.

It is an arithmetic number, because the mean of its divisors is an integer number (16742160).

Almost surely, 2^130920709 is an apocalyptic number.

It is an amenable number.

130920709 is a deficient number, since it is larger than the sum of its proper divisors (3016571).

130920709 is an equidigital number, since it uses as much as digits as its factorization.

130920709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 130920709 is about 11442.0587745388. The cubic root of 130920709 is about 507.7728190892.

The spelling of 130920709 in words is "one hundred thirty million, nine hundred twenty thousand, seven hundred nine".