129854608 has 80 divisors (see below), whose sum is σ = 284981760. Its totient is φ = 56913408.

The previous prime is 129854603. The next prime is 129854609. The reversal of 129854608 is 806458921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (129854603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361533 + ... + 361891.

It is an arithmetic number, because the mean of its divisors is an integer number (3562272).

Almost surely, 2^129854608 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 129854608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142490880).

129854608 is an abundant number, since it is smaller than the sum of its proper divisors (155127152).

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

129854608 is a wasteful number, since it uses less digits than its factorization.

129854608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 129854608 is about 11395.3766063259. The cubic root of 129854608 is about 506.3907785491.

The spelling of 129854608 in words is "one hundred twenty-nine million, eight hundred fifty-four thousand, six hundred eight".