129945360768 has 64 divisors (see below), whose sum is σ = 348393337920. Its totient is φ = 42910292480.

The previous prime is 129945360707. The next prime is 129945360781. The reversal of 129945360768 is 867063549921.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540218 + ... + 1622393.

It is an arithmetic number, because the mean of its divisors is an integer number (5443645905).

It is a 1-persistent number, because it is pandigital, but 2⋅129945360768 = 259890721536 is not.

Almost surely, 2^129945360768 is an apocalyptic number.

It is an amenable number.

129945360768 is an abundant number, since it is smaller than the sum of its proper divisors (218447977152).

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

129945360768 is a wasteful number, since it uses less digits than its factorization.

129945360768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162735 (or 3162723 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 129945360768 in words is "one hundred twenty-nine billion, nine hundred forty-five million, three hundred sixty thousand, seven hundred sixty-eight".