129934000 has 80 divisors (see below), whose sum is σ = 359102016. Its totient is φ = 44544000.

The previous prime is 129933997. The next prime is 129934031. The reversal of 129934000 is 439921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 129934000.

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, 9360 + ... + 18640.

Almost surely, 2^129934000 is an apocalyptic number.

129934000 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 129934000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179551008).

129934000 is an abundant number, since it is smaller than the sum of its proper divisors (229168016).

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

129934000 is an equidigital number, since it uses as much as digits as its factorization.

129934000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311 (or 9295 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 129934000 is about 11398.8595920820. The cubic root of 129934000 is about 506.4939585254.

The spelling of 129934000 in words is "one hundred twenty-nine million, nine hundred thirty-four thousand".