129002413 has 2 divisors, whose sum is σ = 129002414. Its totient is φ = 129002412.

The previous prime is 129002407. The next prime is 129002429. The reversal of 129002413 is 314200921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128754409 + 248004 = 11347^2 + 498^2 .

It is a cyclic number.

It is not a de Polignac number, because 129002413 - 2¹⁷ = 128871341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129002473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64501206 + 64501207.

It is an arithmetic number, because the mean of its divisors is an integer number (64501207).

Almost surely, 2^129002413 is an apocalyptic number.

It is an amenable number.

129002413 is a deficient number, since it is larger than the sum of its proper divisors (1).

129002413 is an equidigital number, since it uses as much as digits as its factorization.

129002413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 129002413 is about 11357.9229175056. The cubic root of 129002413 is about 505.2805851778.

The spelling of 129002413 in words is "one hundred twenty-nine million, two thousand, four hundred thirteen".