129396307 has 2 divisors, whose sum is σ = 129396308. Its totient is φ = 129396306.

The previous prime is 129396301. The next prime is 129396329. The reversal of 129396307 is 703693921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129396307 - 2¹⁵ = 129363539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129396307.

It is not a weakly prime, because it can be changed into another prime (129396301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64698153 + 64698154.

It is an arithmetic number, because the mean of its divisors is an integer number (64698154).

Almost surely, 2^129396307 is an apocalyptic number.

129396307 is a deficient number, since it is larger than the sum of its proper divisors (1).

129396307 is an equidigital number, since it uses as much as digits as its factorization.

129396307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 129396307 is about 11375.2497554999. The cubic root of 129396307 is about 505.7943346508.

The spelling of 129396307 in words is "one hundred twenty-nine million, three hundred ninety-six thousand, three hundred seven".