129874338660 has 192 divisors, whose sum is σ = 427970075904. Its totient is φ = 29073408000.

The previous prime is 129874338631. The next prime is 129874338661. The reversal of 129874338660 is 66833478921.

It is a self number, because there is not a number n which added to its sum of digits gives 129874338660.

It is not an unprimeable number, because it can be changed into a prime (129874338661) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 485460 + ... + 703860.

It is an arithmetic number, because the mean of its divisors is an integer number (2229010812).

Almost surely, 2^129874338660 is an apocalyptic number.

129874338660 is a gapful number since it is divisible by the number (10) 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 129874338660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213985037952).

129874338660 is an abundant number, since it is smaller than the sum of its proper divisors (298095737244).

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

129874338660 is a wasteful number, since it uses less digits than its factorization.

129874338660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218494 (or 218492 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 129874338660 in words is "one hundred twenty-nine billion, eight hundred seventy-four million, three hundred thirty-eight thousand, six hundred sixty".