129871298934 has 48 divisors (see below), whose sum is σ = 303408050400. Its totient is φ = 39910946688.

The previous prime is 129871298933. The next prime is 129871298939. The reversal of 129871298934 is 439892178921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129871298933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153714 + ... + 532325.

It is an arithmetic number, because the mean of its divisors is an integer number (6321001050).

Almost surely, 2^129871298934 is an apocalyptic number.

129871298934 is an abundant number, since it is smaller than the sum of its proper divisors (173536751466).

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

129871298934 is a wasteful number, since it uses less digits than its factorization.

129871298934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686869 (or 686866 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The spelling of 129871298934 in words is "one hundred twenty-nine billion, eight hundred seventy-one million, two hundred ninety-eight thousand, nine hundred thirty-four".