129133 has 4 divisors (see below), whose sum is σ = 129888. Its totient is φ = 128380.

The previous prime is 129127. The next prime is 129169. The reversal of 129133 is 331921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 129133 - 2⁹ = 128621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129113) 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 3 ways as a sum of consecutive naturals, for example, 18 + ... + 508.

It is an arithmetic number, because the mean of its divisors is an integer number (32472).

2¹²⁹¹³³ is an apocalyptic number.

It is an amenable number.

129133 is a deficient number, since it is larger than the sum of its proper divisors (755).

129133 is an equidigital number, since it uses as much as digits as its factorization.

129133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754.

The product of its digits is 162, while the sum is 19.

The square root of 129133 is about 359.3508035333. The cubic root of 129133 is about 50.5451023395.

It can be divided in two parts, 129 and 133, that added together give a palindrome (262).

The spelling of 129133 in words is "one hundred twenty-nine thousand, one hundred thirty-three".