129009498108 has 48 divisors (see below), whose sum is σ = 303971802624. Its totient is φ = 42582150400.

The previous prime is 129009498083. The next prime is 129009498113. The reversal of 129009498108 is 801894900921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2997316 + ... + 3040052.

It is an arithmetic number, because the mean of its divisors is an integer number (6332745888).

Almost surely, 2^129009498108 is an apocalyptic number.

It is an amenable number.

129009498108 is an abundant number, since it is smaller than the sum of its proper divisors (174962304516).

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

129009498108 is a wasteful number, since it uses less digits than its factorization.

129009498108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45202 (or 45200 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 51.

The spelling of 129009498108 in words is "one hundred twenty-nine billion, nine million, four hundred ninety-eight thousand, one hundred eight".