129341600 has 72 divisors (see below), whose sum is σ = 318917088. Its totient is φ = 51219200.

The previous prime is 129341591. The next prime is 129341651. The reversal of 129341600 is 6143921.

It is a self number, because there is not a number n which added to its sum of digits gives 129341600.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 84845 + ... + 86355.

It is an arithmetic number, because the mean of its divisors is an integer number (4429404).

Almost surely, 2^129341600 is an apocalyptic number.

129341600 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 129341600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159458544).

129341600 is an abundant number, since it is smaller than the sum of its proper divisors (189575488).

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

129341600 is a wasteful number, since it uses less digits than its factorization.

129341600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 129341600 is about 11372.8448507838. The cubic root of 129341600 is about 505.7230436127.

The spelling of 129341600 in words is "one hundred twenty-nine million, three hundred forty-one thousand, six hundred".