129269334 has 8 divisors (see below), whose sum is σ = 258538680. Its totient is φ = 43089776.

The previous prime is 129269311. The next prime is 129269339. The reversal of 129269334 is 433962921.

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

129269334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 129269292 and 129269301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129269339) by changing a digit.

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, 10772439 + ... + 10772450.

It is an arithmetic number, because the mean of its divisors is an integer number (32317335).

Almost surely, 2^129269334 is an apocalyptic number.

129269334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129269334 is a wasteful number, since it uses less digits than its factorization.

129269334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21544894.

The product of its digits is 69984, while the sum is 39.

The square root of 129269334 is about 11369.6672774536. The cubic root of 129269334 is about 505.6288398659.

The spelling of 129269334 in words is "one hundred twenty-nine million, two hundred sixty-nine thousand, three hundred thirty-four".