33140349 has 12 divisors (see below), whose sum is σ = 52221312. Its totient is φ = 20085000.

The previous prime is 33140339. The next prime is 33140357. The reversal of 33140349 is 94304133.

33140349 is a `hidden beast` number, since 3 + 314 + 0 + 349 = 666.

It is not a de Polignac number, because 33140349 - 2¹² = 33136253 is a prime.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 167277 + ... + 167474.

It is an arithmetic number, because the mean of its divisors is an integer number (4351776).

Almost surely, 2^33140349 is an apocalyptic number.

It is an amenable number.

33140349 is a deficient number, since it is larger than the sum of its proper divisors (19080963).

33140349 is a wasteful number, since it uses less digits than its factorization.

33140349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334768 (or 334765 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 33140349 is about 5756.7654980901. The cubic root of 33140349 is about 321.2075113252.

It can be divided in two parts, 33140 and 349, that added together give a square (33489 = 183²).

The spelling of 33140349 in words is "thirty-three million, one hundred forty thousand, three hundred forty-nine".