133323204021144 has 64 divisors (see below), whose sum is σ = 335268011520000. Its totient is φ = 44180032999680.

The previous prime is 133323204021143. The next prime is 133323204021149. The reversal of 133323204021144 is 441120402323331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133323204021143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2181469 + ... + 16474380.

It is an arithmetic number, because the mean of its divisors is an integer number (5238562680000).

Almost surely, 2^{133323204021144} is an apocalyptic number.

It is an amenable number.

133323204021144 is an abundant number, since it is smaller than the sum of its proper divisors (201944807498856).

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

133323204021144 is a wasteful number, since it uses less digits than its factorization.

133323204021144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18657608 (or 18657604 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 133323204021144 its reverse (441120402323331), we get a palindrome (574443606344475).

The spelling of 133323204021144 in words is "one hundred thirty-three trillion, three hundred twenty-three billion, two hundred four million, twenty-one thousand, one hundred forty-four".