129563339 has 2 divisors, whose sum is σ = 129563340. Its totient is φ = 129563338.

The previous prime is 129563311. The next prime is 129563359. The reversal of 129563339 is 933365921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129563339 - 2²⁴ = 112786123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129563296 and 129563305.

It is not a weakly prime, because it can be changed into another prime (129563309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64781669 + 64781670.

It is an arithmetic number, because the mean of its divisors is an integer number (64781670).

Almost surely, 2^129563339 is an apocalyptic number.

129563339 is a deficient number, since it is larger than the sum of its proper divisors (1).

129563339 is an equidigital number, since it uses as much as digits as its factorization.

129563339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131220, while the sum is 41.

The square root of 129563339 is about 11382.5892924238. The cubic root of 129563339 is about 506.0118769572.

The spelling of 129563339 in words is "one hundred twenty-nine million, five hundred sixty-three thousand, three hundred thirty-nine".