129834208 has 96 divisors (see below), whose sum is σ = 305157888. Its totient is φ = 53222400.

The previous prime is 129834197. The next prime is 129834301. The reversal of 129834208 is 802438921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615223 + ... + 615433.

It is an arithmetic number, because the mean of its divisors is an integer number (3178728).

Almost surely, 2^129834208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129834208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152578944).

129834208 is an abundant number, since it is smaller than the sum of its proper divisors (175323680).

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

129834208 is a wasteful number, since it uses less digits than its factorization.

129834208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 129834208 is about 11394.4814713088. The cubic root of 129834208 is about 506.3642593698.

The spelling of 129834208 in words is "one hundred twenty-nine million, eight hundred thirty-four thousand, two hundred eight".