33138219 has 8 divisors (see below), whose sum is σ = 46783440. Its totient is φ = 20792576.

The previous prime is 33138211. The next prime is 33138241. The reversal of 33138219 is 91283133.

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 33138219 - 2³ = 33138211 is a prime.

It is a super-2 number, since 2×33138219² = 2196283116983922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33138211) 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, 324834 + ... + 324935.

It is an arithmetic number, because the mean of its divisors is an integer number (5847930).

Almost surely, 2^33138219 is an apocalyptic number.

33138219 is a deficient number, since it is larger than the sum of its proper divisors (13645221).

33138219 is a wasteful number, since it uses less digits than its factorization.

33138219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649789.

The product of its digits is 3888, while the sum is 30.

The square root of 33138219 is about 5756.5804953983. The cubic root of 33138219 is about 321.2006296167.

The spelling of 33138219 in words is "thirty-three million, one hundred thirty-eight thousand, two hundred nineteen".