129382 has 8 divisors (see below), whose sum is σ = 211752. Its totient is φ = 58800.

The previous prime is 129379. The next prime is 129401. The reversal of 129382 is 283921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2919 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (26469).

2¹²⁹³⁸² is an apocalyptic number.

129382 is a deficient number, since it is larger than the sum of its proper divisors (82370).

129382 is a wasteful number, since it uses less digits than its factorization.

129382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894.

The product of its digits is 864, while the sum is 25.

The square root of 129382 is about 359.6970947895. The cubic root of 129382 is about 50.5775692526.

The spelling of 129382 in words is "one hundred twenty-nine thousand, three hundred eighty-two".