129713713 has 2 divisors, whose sum is σ = 129713714. Its totient is φ = 129713712.

The previous prime is 129713707. The next prime is 129713719. The reversal of 129713713 is 317317921.

It is a balanced prime because it is at equal distance from previous prime (129713707) and next prime (129713719).

It can be written as a sum of positive squares in only one way, i.e., 111154849 + 18558864 = 10543^2 + 4308^2 .

It is an emirp because it is prime and its reverse (317317921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129713713 is a prime.

It is not a weakly prime, because it can be changed into another prime (129713719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64856856 + 64856857.

It is an arithmetic number, because the mean of its divisors is an integer number (64856857).

Almost surely, 2^129713713 is an apocalyptic number.

It is an amenable number.

129713713 is a deficient number, since it is larger than the sum of its proper divisors (1).

129713713 is an equidigital number, since it uses as much as digits as its factorization.

129713713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 34.

The square root of 129713713 is about 11389.1928159989. The cubic root of 129713713 is about 506.2075640292.

The spelling of 129713713 in words is "one hundred twenty-nine million, seven hundred thirteen thousand, seven hundred thirteen".