33040140321143 has 4 divisors (see below), whose sum is σ = 33332530943568. Its totient is φ = 32747749698720.

The previous prime is 33040140321107. The next prime is 33040140321161. The reversal of 33040140321143 is 34112304104033.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33040140321143 - 2¹⁸ = 33040140058999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33040140329143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146195311043 + ... + 146195311268.

It is an arithmetic number, because the mean of its divisors is an integer number (8333132735892).

Almost surely, 2^{33040140321143} is an apocalyptic number.

33040140321143 is a deficient number, since it is larger than the sum of its proper divisors (292390622425).

33040140321143 is a wasteful number, since it uses less digits than its factorization.

33040140321143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292390622424.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 33040140321143 its reverse (34112304104033), we get a palindrome (67152444425176).

The spelling of 33040140321143 in words is "thirty-three trillion, forty billion, one hundred forty million, three hundred twenty-one thousand, one hundred forty-three".