129793682 has 8 divisors (see below), whose sum is σ = 197155200. Its totient is φ = 64075284.

The previous prime is 129793679. The next prime is 129793717. The reversal of 129793682 is 286397921.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410582 + ... + 410897.

It is an arithmetic number, because the mean of its divisors is an integer number (24644400).

Almost surely, 2^129793682 is an apocalyptic number.

129793682 is a deficient number, since it is larger than the sum of its proper divisors (67361518).

129793682 is an equidigital number, since it uses as much as digits as its factorization.

129793682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821560.

The product of its digits is 326592, while the sum is 47.

The square root of 129793682 is about 11392.7030155271. The cubic root of 129793682 is about 506.3115689585.

It can be divided in two parts, 12979 and 3682, that added together give a palindrome (16661).

The spelling of 129793682 in words is "one hundred twenty-nine million, seven hundred ninety-three thousand, six hundred eighty-two".