133544057844 has 12 divisors (see below), whose sum is σ = 311602801664. Its totient is φ = 44514685944.

The previous prime is 133544057791. The next prime is 133544057891. The reversal of 133544057844 is 448750445331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 133544057793 and 133544057802.

It is a congruent number.

It is an unprimeable number.

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, 5564335732 + ... + 5564335755.

Almost surely, 2^133544057844 is an apocalyptic number.

It is an amenable number.

133544057844 is an abundant number, since it is smaller than the sum of its proper divisors (178058743820).

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

133544057844 is a wasteful number, since it uses less digits than its factorization.

133544057844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11128671494 (or 11128671492 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 133544057844 in words is "one hundred thirty-three billion, five hundred forty-four million, fifty-seven thousand, eight hundred forty-four".