129914280432 has 80 divisors (see below), whose sum is σ = 394837541280. Its totient is φ = 40757419008.

The previous prime is 129914280413. The next prime is 129914280439. The reversal of 129914280432 is 234082419921.

129914280432 is a `hidden beast` number, since 12 + 9 + 91 + 42 + 80 + 432 = 666.

129914280432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129914280439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8837583 + ... + 8852270.

It is an arithmetic number, because the mean of its divisors is an integer number (4935469266).

Almost surely, 2^129914280432 is an apocalyptic number.

129914280432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129914280432 is an abundant number, since it is smaller than the sum of its proper divisors (264923260848).

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

129914280432 is a wasteful number, since it uses less digits than its factorization.

129914280432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17689887 (or 17689875 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 129914280432 in words is "one hundred twenty-nine billion, nine hundred fourteen million, two hundred eighty thousand, four hundred thirty-two".