129335342 has 8 divisors (see below), whose sum is σ = 194454432. Its totient is φ = 64517200.

The previous prime is 129335329. The next prime is 129335351. The reversal of 129335342 is 243533921.

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

It is a junction number, because it is equal to n+sod(n) for n = 129335299 and 129335308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74159 + ... + 75882.

It is an arithmetic number, because the mean of its divisors is an integer number (24306804).

Almost surely, 2^129335342 is an apocalyptic number.

129335342 is a deficient number, since it is larger than the sum of its proper divisors (65119090).

129335342 is a wasteful number, since it uses less digits than its factorization.

129335342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150474.

The product of its digits is 19440, while the sum is 32.

The square root of 129335342 is about 11372.5697184058. The cubic root of 129335342 is about 505.7148872633.

The spelling of 129335342 in words is "one hundred twenty-nine million, three hundred thirty-five thousand, three hundred forty-two".