129413369 has 2 divisors, whose sum is σ = 129413370. Its totient is φ = 129413368.

The previous prime is 129413321. The next prime is 129413393. The reversal of 129413369 is 963314921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127961344 + 1452025 = 11312^2 + 1205^2 .

It is an emirp because it is prime and its reverse (963314921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129413369 is a prime.

It is a super-2 number, since 2×129413369² = 33495640151860322, which contains 22 as substring.

It is a Chen prime.

It is equal to p_7346846 and since 129413369 and 7346846 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (129418369) 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, 64706684 + 64706685.

It is an arithmetic number, because the mean of its divisors is an integer number (64706685).

Almost surely, 2^129413369 is an apocalyptic number.

It is an amenable number.

129413369 is a deficient number, since it is larger than the sum of its proper divisors (1).

129413369 is an equidigital number, since it uses as much as digits as its factorization.

129413369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 129413369 is about 11375.9996923347. Note that the first 3 decimals coincide. The cubic root of 129413369 is about 505.8165647640.

The spelling of 129413369 in words is "one hundred twenty-nine million, four hundred thirteen thousand, three hundred sixty-nine".