129732769792 has 24 divisors (see below), whose sum is σ = 259402197600. Its totient is φ = 64866383872.

The previous prime is 129732769753. The next prime is 129732769801. The reversal of 129732769792 is 297967237921.

129732769792 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31670992 + ... + 31675087.

It is an arithmetic number, because the mean of its divisors is an integer number (10808424900).

Almost surely, 2^129732769792 is an apocalyptic number.

It is an amenable number.

129732769792 is a deficient number, since it is larger than the sum of its proper divisors (129669427808).

129732769792 is an frugal number, since it uses more digits than its factorization.

129732769792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63346101 (or 63346081 counting only the distinct ones).

The product of its digits is 36006768, while the sum is 64.

The spelling of 129732769792 in words is "one hundred twenty-nine billion, seven hundred thirty-two million, seven hundred sixty-nine thousand, seven hundred ninety-two".