129230713 has 2 divisors, whose sum is σ = 129230714. Its totient is φ = 129230712.

The previous prime is 129230687. The next prime is 129230743. The reversal of 129230713 is 317032921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108409744 + 20820969 = 10412^2 + 4563^2 .

It is a cyclic number.

It is not a de Polignac number, because 129230713 - 2⁹ = 129230201 is a prime.

It is not a weakly prime, because it can be changed into another prime (129230743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64615356 + 64615357.

It is an arithmetic number, because the mean of its divisors is an integer number (64615357).

Almost surely, 2^129230713 is an apocalyptic number.

It is an amenable number.

129230713 is a deficient number, since it is larger than the sum of its proper divisors (1).

129230713 is an equidigital number, since it uses as much as digits as its factorization.

129230713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 129230713 is about 11367.9687279654. The cubic root of 129230713 is about 505.5784803158.

The spelling of 129230713 in words is "one hundred twenty-nine million, two hundred thirty thousand, seven hundred thirteen".