129464613 has 24 divisors (see below), whose sum is σ = 203642400. Its totient is φ = 78944544.

The previous prime is 129464609. The next prime is 129464617. The reversal of 129464613 is 316464921.

129464613 is a `hidden beast` number, since 1 + 2 + 9 + 4 + 646 + 1 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (129464609) and next prime (129464617).

It is not a de Polignac number, because 129464613 - 2² = 129464609 is a prime.

It is a super-2 number, since 2×129464613² = 33522172038479538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129464617) 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 in 23 ways as a sum of consecutive naturals, for example, 8095 + ... + 18012.

It is an arithmetic number, because the mean of its divisors is an integer number (8485100).

Almost surely, 2^129464613 is an apocalyptic number.

It is an amenable number.

129464613 is a deficient number, since it is larger than the sum of its proper divisors (74177787).

129464613 is a wasteful number, since it uses less digits than its factorization.

129464613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26161 (or 26158 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 129464613 is about 11378.2517549929. The cubic root of 129464613 is about 505.8833189276.

The spelling of 129464613 in words is "one hundred twenty-nine million, four hundred sixty-four thousand, six hundred thirteen".