129587713 has 2 divisors, whose sum is σ = 129587714. Its totient is φ = 129587712.

The previous prime is 129587701. The next prime is 129587723. The reversal of 129587713 is 317785921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122036209 + 7551504 = 11047^2 + 2748^2 .

It is an emirp because it is prime and its reverse (317785921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129587713 - 2²⁵ = 96033281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129587713.

It is not a weakly prime, because it can be changed into another prime (129587723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64793856 + 64793857.

It is an arithmetic number, because the mean of its divisors is an integer number (64793857).

Almost surely, 2^129587713 is an apocalyptic number.

It is an amenable number.

129587713 is a deficient number, since it is larger than the sum of its proper divisors (1).

129587713 is an equidigital number, since it uses as much as digits as its factorization.

129587713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 43.

The square root of 129587713 is about 11383.6599123480. The cubic root of 129587713 is about 506.0436059948.

The spelling of 129587713 in words is "one hundred twenty-nine million, five hundred eighty-seven thousand, seven hundred thirteen".