133321110321444 has 48 divisors (see below), whose sum is σ = 326080900622400. Its totient is φ = 42348168898560.

The previous prime is 133321110321437. The next prime is 133321110321461. The reversal of 133321110321444 is 444123011123331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3150884269 + ... + 3150926580.

It is an arithmetic number, because the mean of its divisors is an integer number (6793352096300).

Almost surely, 2^{133321110321444} is an apocalyptic number.

It is an amenable number.

133321110321444 is an abundant number, since it is smaller than the sum of its proper divisors (192759790300956).

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

133321110321444 is a wasteful number, since it uses less digits than its factorization.

133321110321444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301810940 (or 6301810938 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 133321110321444 its reverse (444123011123331), we get a palindrome (577444121444775).

The spelling of 133321110321444 in words is "one hundred thirty-three trillion, three hundred twenty-one billion, one hundred ten million, three hundred twenty-one thousand, four hundred forty-four".