133565406064442 has 128 divisors (see below), whose sum is σ = 244081423872000. Its totient is φ = 54025558917120.

The previous prime is 133565406064217. The next prime is 133565406064457. The reversal of 133565406064442 is 244460604565331.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12592189103 + ... + 12592199709.

It is an arithmetic number, because the mean of its divisors is an integer number (1906886124000).

Almost surely, 2^{133565406064442} is an apocalyptic number.

133565406064442 is a deficient number, since it is larger than the sum of its proper divisors (110516017807558).

133565406064442 is a wasteful number, since it uses less digits than its factorization.

133565406064442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14004.

The product of its (nonzero) digits is 24883200, while the sum is 53.

The spelling of 133565406064442 in words is "one hundred thirty-three trillion, five hundred sixty-five billion, four hundred six million, sixty-four thousand, four hundred forty-two".