129193948194 has 16 divisors (see below), whose sum is σ = 259300931232. Its totient is φ = 42912476928.

The previous prime is 129193948159. The next prime is 129193948237. The reversal of 129193948194 is 491849391921.

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, 38041279 + ... + 38044674.

It is an arithmetic number, because the mean of its divisors is an integer number (16206308202).

Almost surely, 2^129193948194 is an apocalyptic number.

129193948194 is an abundant number, since it is smaller than the sum of its proper divisors (130106983038).

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

129193948194 is a wasteful number, since it uses less digits than its factorization.

129193948194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76086241.

The product of its digits is 5038848, while the sum is 60.

The spelling of 129193948194 in words is "one hundred twenty-nine billion, one hundred ninety-three million, nine hundred forty-eight thousand, one hundred ninety-four".