33140379 has 8 divisors (see below), whose sum is σ = 44262400. Its totient is φ = 22055976.

The previous prime is 33140377. The next prime is 33140383. The reversal of 33140379 is 97304133.

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

It is not a de Polignac number, because 33140379 - 2¹ = 33140377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33140377) 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 7 ways as a sum of consecutive naturals, for example, 7279 + ... + 10920.

It is an arithmetic number, because the mean of its divisors is an integer number (5532800).

Almost surely, 2^33140379 is an apocalyptic number.

33140379 is a deficient number, since it is larger than the sum of its proper divisors (11122021).

33140379 is a wasteful number, since it uses less digits than its factorization.

33140379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18809.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 33140379 is about 5756.7681037193. The cubic root of 33140379 is about 321.2076082485.

The spelling of 33140379 in words is "thirty-three million, one hundred forty thousand, three hundred seventy-nine".