129935433 has 8 divisors (see below), whose sum is σ = 182365600. Its totient is φ = 82064448.

The previous prime is 129935419. The next prime is 129935473. The reversal of 129935433 is 334539921.

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

It is not a de Polignac number, because 129935433 - 2¹⁸ = 129673289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 129935391 and 129935400.

It is not an unprimeable number, because it can be changed into a prime (129935473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139728 + ... + 1139841.

It is an arithmetic number, because the mean of its divisors is an integer number (22795700).

Almost surely, 2^129935433 is an apocalyptic number.

It is an amenable number.

129935433 is a deficient number, since it is larger than the sum of its proper divisors (52430167).

129935433 is a wasteful number, since it uses less digits than its factorization.

129935433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279591.

The product of its digits is 87480, while the sum is 39.

The square root of 129935433 is about 11398.9224490739. The cubic root of 129935433 is about 506.4958205045.

The spelling of 129935433 in words is "one hundred twenty-nine million, nine hundred thirty-five thousand, four hundred thirty-three".