129394705794 has 48 divisors (see below), whose sum is σ = 281613005856. Its totient is φ = 39604288000.

The previous prime is 129394705771. The next prime is 129394705823. The reversal of 129394705794 is 497507493921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 838932 + ... + 981119.

It is an arithmetic number, because the mean of its divisors is an integer number (5866937622).

Almost surely, 2^129394705794 is an apocalyptic number.

129394705794 is an abundant number, since it is smaller than the sum of its proper divisors (152218300062).

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

129394705794 is a wasteful number, since it uses less digits than its factorization.

129394705794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820131 (or 1820114 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 129394705794 in words is "one hundred twenty-nine billion, three hundred ninety-four million, seven hundred five thousand, seven hundred ninety-four".