133429 has 8 divisors (see below), whose sum is σ = 142560. Its totient is φ = 124656.

The previous prime is 133417. The next prime is 133439. The reversal of 133429 is 924331.

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

It is a cyclic number.

It is not a de Polignac number, because 133429 - 2¹¹ = 131381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194 + ... + 1300.

It is an arithmetic number, because the mean of its divisors is an integer number (17820).

2¹³³⁴²⁹ is an apocalyptic number.

It is an amenable number.

133429 is a deficient number, since it is larger than the sum of its proper divisors (9131).

133429 is a wasteful number, since it uses less digits than its factorization.

133429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179.

The product of its digits is 648, while the sum is 22.

The square root of 133429 is about 365.2793451593. The cubic root of 133429 is about 51.0995109500.

The spelling of 133429 in words is "one hundred thirty-three thousand, four hundred twenty-nine".