129839852873280 has 896 divisors, whose sum is σ = 460497762385920. Its totient is φ = 30731319336960.

The previous prime is 129839852873261. The next prime is 129839852873327. The reversal of 129839852873280 is 82378258938921.

It is a super-3 number, since 3×129839852873280³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 48321492097 + ... + 48321494783.

It is an arithmetic number, because the mean of its divisors is an integer number (513948395520).

Almost surely, 2^{129839852873280} is an apocalyptic number.

129839852873280 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 129839852873280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230248881192960).

129839852873280 is an abundant number, since it is smaller than the sum of its proper divisors (330657909512640).

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

129839852873280 is a wasteful number, since it uses less digits than its factorization.

129839852873280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 836075520, while the sum is 75.

The spelling of 129839852873280 in words is "one hundred twenty-nine trillion, eight hundred thirty-nine billion, eight hundred fifty-two million, eight hundred seventy-three thousand, two hundred eighty".