129733343 has 4 divisors (see below), whose sum is σ = 130238400. Its totient is φ = 129228288.

The previous prime is 129733333. The next prime is 129733367. The reversal of 129733343 is 343337921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343337921 = 373 ⋅920477.

It is a cyclic number.

It is not a de Polignac number, because 129733343 - 2¹⁰ = 129732319 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 (129733313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252143 + ... + 252656.

It is an arithmetic number, because the mean of its divisors is an integer number (32559600).

Almost surely, 2^129733343 is an apocalyptic number.

129733343 is a deficient number, since it is larger than the sum of its proper divisors (505057).

129733343 is an equidigital number, since it uses as much as digits as its factorization.

129733343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505056.

The product of its digits is 40824, while the sum is 35.

The square root of 129733343 is about 11390.0545652776. The cubic root of 129733343 is about 506.2330980894.

The spelling of 129733343 in words is "one hundred twenty-nine million, seven hundred thirty-three thousand, three hundred forty-three".