129333 has 8 divisors (see below), whose sum is σ = 181600. Its totient is φ = 81648.

The previous prime is 129313. The next prime is 129341. The reversal of 129333 is 333921.

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

It is a de Polignac number, because none of the positive numbers 2^k-129333 is a prime.

It is an Ulam number.

It is a Duffinian number.

129333 is a modest number, since divided by 333 gives 129 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129313) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1078 + ... + 1191.

It is an arithmetic number, because the mean of its divisors is an integer number (22700).

2¹²⁹³³³ is an apocalyptic number.

It is an amenable number.

129333 is a deficient number, since it is larger than the sum of its proper divisors (52267).

129333 is a wasteful number, since it uses less digits than its factorization.

129333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291.

The product of its digits is 486, while the sum is 21.

The square root of 129333 is about 359.6289754733. The cubic root of 129333 is about 50.5711834756.

It can be divided in two parts, 1293 and 33, that added together give a triangular number (1326 = T₅₁).

The spelling of 129333 in words is "one hundred twenty-nine thousand, three hundred thirty-three".