129707113 has 2 divisors, whose sum is σ = 129707114. Its totient is φ = 129707112.

The previous prime is 129707099. The next prime is 129707141. The reversal of 129707113 is 311707921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89359209 + 40347904 = 9453^2 + 6352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129707113 is a prime.

It is not a weakly prime, because it can be changed into another prime (129707173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64853556 + 64853557.

It is an arithmetic number, because the mean of its divisors is an integer number (64853557).

Almost surely, 2^129707113 is an apocalyptic number.

It is an amenable number.

129707113 is a deficient number, since it is larger than the sum of its proper divisors (1).

129707113 is an equidigital number, since it uses as much as digits as its factorization.

129707113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 129707113 is about 11388.9030639478. The cubic root of 129707113 is about 506.1989783870.

The spelling of 129707113 in words is "one hundred twenty-nine million, seven hundred seven thousand, one hundred thirteen".