33929139 has 8 divisors (see below), whose sum is σ = 45338832. Its totient is φ = 22569440.

The previous prime is 33929123. The next prime is 33929143. The reversal of 33929139 is 93192933.

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 33929139 - 2⁴ = 33929123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33929097 and 33929106.

It is not an unprimeable number, because it can be changed into a prime (33929639) 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, 10884 + ... + 13649.

It is an arithmetic number, because the mean of its divisors is an integer number (5667354).

Almost surely, 2^33929139 is an apocalyptic number.

33929139 is a deficient number, since it is larger than the sum of its proper divisors (11409693).

33929139 is a wasteful number, since it uses less digits than its factorization.

33929139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24997.

The product of its digits is 39366, while the sum is 39.

The square root of 33929139 is about 5824.8724449553. The cubic root of 33929139 is about 323.7359626795.

The spelling of 33929139 in words is "thirty-three million, nine hundred twenty-nine thousand, one hundred thirty-nine".