129695506194 has 32 divisors (see below), whose sum is σ = 260009910720. Its totient is φ = 43128775872.

The previous prime is 129695506183. The next prime is 129695506201. The reversal of 129695506194 is 491605596921.

129695506194 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6465372 + ... + 6485400.

It is an arithmetic number, because the mean of its divisors is an integer number (8125309710).

Almost surely, 2^129695506194 is an apocalyptic number.

129695506194 is an abundant number, since it is smaller than the sum of its proper divisors (130314404526).

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

129695506194 is a wasteful number, since it uses less digits than its factorization.

129695506194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22554.

The product of its (nonzero) digits is 5248800, while the sum is 57.

The spelling of 129695506194 in words is "one hundred twenty-nine billion, six hundred ninety-five million, five hundred six thousand, one hundred ninety-four".