129931070976 has 200 divisors, whose sum is σ = 443212458480. Its totient is φ = 37123080192.

The previous prime is 129931070957. The next prime is 129931071041. The reversal of 129931070976 is 679070139921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66520 + ... + 514088.

Almost surely, 2^129931070976 is an apocalyptic number.

129931070976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129931070976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221606229240).

129931070976 is an abundant number, since it is smaller than the sum of its proper divisors (313281387504).

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

129931070976 is an frugal number, since it uses more digits than its factorization.

129931070976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447606 (or 447581 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The spelling of 129931070976 in words is "one hundred twenty-nine billion, nine hundred thirty-one million, seventy thousand, nine hundred seventy-six".