129733306 has 8 divisors (see below), whose sum is σ = 197504640. Its totient is φ = 63898428.

The previous prime is 129733291. The next prime is 129733313. The reversal of 129733306 is 603337921.

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, 483946 + ... + 484213.

It is an arithmetic number, because the mean of its divisors is an integer number (24688080).

Almost surely, 2^129733306 is an apocalyptic number.

129733306 is a deficient number, since it is larger than the sum of its proper divisors (67771334).

129733306 is an equidigital number, since it uses as much as digits as its factorization.

129733306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968228.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 129733306 is about 11390.0529410534. The cubic root of 129733306 is about 506.2330499634.

The spelling of 129733306 in words is "one hundred twenty-nine million, seven hundred thirty-three thousand, three hundred six".