129704364 has 18 divisors (see below), whose sum is σ = 327863900. Its totient is φ = 43234776.

The previous prime is 129704359. The next prime is 129704381. The reversal of 129704364 is 463407921.

129704364 is a `hidden beast` number, since 1 + 297 + 0 + 4 + 364 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3602899 = 129704364 / (1 + 2 + 9 + 7 + 0 + 4 + 3 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1801414 + ... + 1801485.

Almost surely, 2^129704364 is an apocalyptic number.

It is an amenable number.

129704364 is an abundant number, since it is smaller than the sum of its proper divisors (198159536).

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

129704364 is a wasteful number, since it uses less digits than its factorization.

129704364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602909 (or 3602904 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 129704364 is about 11388.7823756537. The cubic root of 129704364 is about 506.1954022510.

The spelling of 129704364 in words is "one hundred twenty-nine million, seven hundred four thousand, three hundred sixty-four".