33140332 has 24 divisors (see below), whose sum is σ = 63705600. Its totient is φ = 15014736.

The previous prime is 33140299. The next prime is 33140339. The reversal of 33140332 is 23304133.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33140339) 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, 7732 + ... + 11227.

It is an arithmetic number, because the mean of its divisors is an integer number (2654400).

Almost surely, 2^33140332 is an apocalyptic number.

It is an amenable number.

33140332 is a deficient number, since it is larger than the sum of its proper divisors (30565268).

33140332 is a wasteful number, since it uses less digits than its factorization.

33140332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19005 (or 19003 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 33140332 is about 5756.7640215663. The cubic root of 33140332 is about 321.2074564019.

Adding to 33140332 its reverse (23304133), we get a palindrome (56444465).

The spelling of 33140332 in words is "thirty-three million, one hundred forty thousand, three hundred thirty-two".