129335384 has 16 divisors (see below), whose sum is σ = 242993520. Its totient is φ = 64537120.

The previous prime is 129335377. The next prime is 129335419. The reversal of 129335384 is 483533921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12047 + ... + 20094.

It is an arithmetic number, because the mean of its divisors is an integer number (15187095).

Almost surely, 2^129335384 is an apocalyptic number.

It is an amenable number.

129335384 is a deficient number, since it is larger than the sum of its proper divisors (113658136).

129335384 is a wasteful number, since it uses less digits than its factorization.

129335384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32650 (or 32646 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 129335384 is about 11372.5715649540. The cubic root of 129335384 is about 505.7149420048.

The spelling of 129335384 in words is "one hundred twenty-nine million, three hundred thirty-five thousand, three hundred eighty-four".