129946174129 has 8 divisors (see below), whose sum is σ = 130173918912. Its totient is φ = 129718625520.

The previous prime is 129946174117. The next prime is 129946174151. The reversal of 129946174129 is 921471649921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129946174129 - 2³⁵ = 95586435761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129946174129.

It is not an unprimeable number, because it can be changed into a prime (129946174429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309662 + ... + 1405384.

It is an arithmetic number, because the mean of its divisors is an integer number (16271739864).

Almost surely, 2^129946174129 is an apocalyptic number.

It is an amenable number.

129946174129 is a deficient number, since it is larger than the sum of its proper divisors (227744783).

129946174129 is an equidigital number, since it uses as much as digits as its factorization.

129946174129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98087.

The product of its digits is 1959552, while the sum is 55.

The spelling of 129946174129 in words is "one hundred twenty-nine billion, nine hundred forty-six million, one hundred seventy-four thousand, one hundred twenty-nine".