130660709 has 2 divisors, whose sum is σ = 130660710. Its totient is φ = 130660708.

The previous prime is 130660693. The next prime is 130660711. The reversal of 130660709 is 907066031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120516484 + 10144225 = 10978^2 + 3185^2 .

It is a cyclic number.

It is not a de Polignac number, because 130660709 - 2⁴ = 130660693 is a prime.

It is a Sophie Germain prime.

Together with 130660711, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130660609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65330354 + 65330355.

It is an arithmetic number, because the mean of its divisors is an integer number (65330355).

Almost surely, 2^130660709 is an apocalyptic number.

It is an amenable number.

130660709 is a deficient number, since it is larger than the sum of its proper divisors (1).

130660709 is an equidigital number, since it uses as much as digits as its factorization.

130660709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 130660709 is about 11430.6915363857. The cubic root of 130660709 is about 507.4364617487.

The spelling of 130660709 in words is "one hundred thirty million, six hundred sixty thousand, seven hundred nine".