129193880454144 has 132 divisors (see below), whose sum is σ = 406957665182640. Its totient is φ = 39149660712960.

The previous prime is 129193880454109. The next prime is 129193880454187. The reversal of 129193880454144 is 441454088391921.

129193880454144 is a `hidden beast` number, since 1 + 2 + 9 + 1 + 9 + 3 + 8 + 80 + 4 + 541 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (132).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 637100134 + ... + 637302885.

It is an arithmetic number, because the mean of its divisors is an integer number (3083012615020).

Almost surely, 2^{129193880454144} is an apocalyptic number.

It is an amenable number.

129193880454144 is an abundant number, since it is smaller than the sum of its proper divisors (277763784728496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129193880454144 is a wasteful number, since it uses less digits than its factorization.

129193880454144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274403056 (or 1274403035 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 63.

The spelling of 129193880454144 in words is "one hundred twenty-nine trillion, one hundred ninety-three billion, eight hundred eighty million, four hundred fifty-four thousand, one hundred forty-four".