33140154 has 8 divisors (see below), whose sum is σ = 66280320. Its totient is φ = 11046716.

The previous prime is 33140153. The next prime is 33140167. The reversal of 33140154 is 45104133.

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

33140154 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33140154.

It is not an unprimeable number, because it can be changed into a prime (33140153) 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 3 ways as a sum of consecutive naturals, for example, 2761674 + ... + 2761685.

It is an arithmetic number, because the mean of its divisors is an integer number (8285040).

Almost surely, 2^33140154 is an apocalyptic number.

33140154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33140154 is a wasteful number, since it uses less digits than its factorization.

33140154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5523364.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 33140154 is about 5756.7485614711. The cubic root of 33140154 is about 321.2068813219.

Adding to 33140154 its reverse (45104133), we get a palindrome (78244287).

The spelling of 33140154 in words is "thirty-three million, one hundred forty thousand, one hundred fifty-four".