129394116 has 36 divisors (see below), whose sum is σ = 327600000. Its totient is φ = 43062768.

The previous prime is 129394091. The next prime is 129394151. The reversal of 129394116 is 611493921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23385 + ... + 28383.

It is an arithmetic number, because the mean of its divisors is an integer number (9100000).

Almost surely, 2^129394116 is an apocalyptic number.

It is an amenable number.

129394116 is an abundant number, since it is smaller than the sum of its proper divisors (198205884).

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

129394116 is a wasteful number, since it uses less digits than its factorization.

129394116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728 (or 5723 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 129394116 is about 11375.1534495144. The cubic root of 129394116 is about 505.7914798511.

The spelling of 129394116 in words is "one hundred twenty-nine million, three hundred ninety-four thousand, one hundred sixteen".