130015709 has 2 divisors, whose sum is σ = 130015710. Its totient is φ = 130015708.

The previous prime is 130015693. The next prime is 130015723. The reversal of 130015709 is 907510031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119290084 + 10725625 = 10922^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 130015709 - 2⁴ = 130015693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130015759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65007854 + 65007855.

It is an arithmetic number, because the mean of its divisors is an integer number (65007855).

Almost surely, 2^130015709 is an apocalyptic number.

It is an amenable number.

130015709 is a deficient number, since it is larger than the sum of its proper divisors (1).

130015709 is an equidigital number, since it uses as much as digits as its factorization.

130015709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 130015709 is about 11402.4431154029. The cubic root of 130015709 is about 506.6001058589.

The spelling of 130015709 in words is "one hundred thirty million, fifteen thousand, seven hundred nine".