129333820064 has 24 divisors (see below), whose sum is σ = 265696653600. Its totient is φ = 61855304896.

The previous prime is 129333820027. The next prime is 129333820067. The reversal of 129333820064 is 460028333921.

It is not an unprimeable number, because it can be changed into a prime (129333820067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87861914 + ... + 87863385.

It is an arithmetic number, because the mean of its divisors is an integer number (11070693900).

Almost surely, 2^129333820064 is an apocalyptic number.

It is an amenable number.

129333820064 is an abundant number, since it is smaller than the sum of its proper divisors (136362833536).

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

129333820064 is a wasteful number, since it uses less digits than its factorization.

129333820064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175725332 (or 175725324 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 129333820064 in words is "one hundred twenty-nine billion, three hundred thirty-three million, eight hundred twenty thousand, sixty-four".