33140221345 has 64 divisors (see below), whose sum is σ = 52666661376. Its totient is φ = 19381063680.

The previous prime is 33140221297. The next prime is 33140221349. The reversal of 33140221345 is 54312204133.

It is a happy number.

It is not a de Polignac number, because 33140221345 - 2¹⁹ = 33139697057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33140221349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2066779 + ... + 2082751.

It is an arithmetic number, because the mean of its divisors is an integer number (822916584).

Almost surely, 2^33140221345 is an apocalyptic number.

33140221345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33140221345 is a deficient number, since it is larger than the sum of its proper divisors (19526440031).

33140221345 is a wasteful number, since it uses less digits than its factorization.

33140221345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16330.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 33140221345 its reverse (54312204133), we get a palindrome (87452425478).

The spelling of 33140221345 in words is "thirty-three billion, one hundred forty million, two hundred twenty-one thousand, three hundred forty-five".