133818268448 has 18 divisors (see below), whose sum is σ = 263458790091. Its totient is φ = 66908099552.

The previous prime is 133818268439. The next prime is 133818268453. The reversal of 133818268448 is 844862818331.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 66909134224 + 66909134224 = 258668^2 + 258668^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=258668.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133818268393 and 133818268402.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2037011 + ... + 2101677.

Almost surely, 2^133818268448 is an apocalyptic number.

It is an amenable number.

133818268448 is a deficient number, since it is larger than the sum of its proper divisors (129640521643).

133818268448 is an frugal number, since it uses more digits than its factorization.

133818268448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129344 (or 64669 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 56.

The spelling of 133818268448 in words is "one hundred thirty-three billion, eight hundred eighteen million, two hundred sixty-eight thousand, four hundred forty-eight".