129371489280 has 1232 divisors, whose sum is σ = 533532438144. Its totient is φ = 29780213760.

The previous prime is 129371489249. The next prime is 129371489287. The reversal of 129371489280 is 82984173921.

129371489280 is a `hidden beast` number, since 1 + 2 + 93 + 71 + 489 + 2 + 8 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (129371489287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 944317372 + ... + 944317508.

Almost surely, 2^129371489280 is an apocalyptic number.

129371489280 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 129371489280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266766219072).

129371489280 is an abundant number, since it is smaller than the sum of its proper divisors (404160948864).

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

129371489280 is a wasteful number, since it uses less digits than its factorization.

129371489280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 129371489280 in words is "one hundred twenty-nine billion, three hundred seventy-one million, four hundred eighty-nine thousand, two hundred eighty".