33140214 has 24 divisors (see below), whose sum is σ = 74280960. Its totient is φ = 10665648.

The previous prime is 33140213. The next prime is 33140227. The reversal of 33140214 is 41204133.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33140213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31222 + ... + 32265.

It is an arithmetic number, because the mean of its divisors is an integer number (3095040).

Almost surely, 2^33140214 is an apocalyptic number.

33140214 is an abundant number, since it is smaller than the sum of its proper divisors (41140746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33140214 is a wasteful number, since it uses less digits than its factorization.

33140214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63524 (or 63521 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 33140214 is about 5756.7537727438. The cubic root of 33140214 is about 321.2070751693.

Adding to 33140214 its reverse (41204133), we get a palindrome (74344347).

It can be divided in two parts, 3314021 and 4, that added together give a triangular number (3314025 = T₂₅₇₄).

The spelling of 33140214 in words is "thirty-three million, one hundred forty thousand, two hundred fourteen".