129641300864 has 32 divisors (see below), whose sum is σ = 259222873440. Its totient is φ = 64581442560.

The previous prime is 129641300849. The next prime is 129641300911. The reversal of 129641300864 is 468003146921.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833989 + ... + 1903364.

It is an arithmetic number, because the mean of its divisors is an integer number (8100714795).

Almost surely, 2^129641300864 is an apocalyptic number.

It is an amenable number.

129641300864 is a deficient number, since it is larger than the sum of its proper divisors (129581572576).

129641300864 is an equidigital number, since it uses as much as digits as its factorization.

129641300864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737638 (or 3737626 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 129641300864 in words is "one hundred twenty-nine billion, six hundred forty-one million, three hundred thousand, eight hundred sixty-four".