133456542440553 has 12 divisors (see below), whose sum is σ = 193307526659520. Its totient is φ = 88723198129176.

The previous prime is 133456542440509. The next prime is 133456542440593. The reversal of 133456542440553 is 355044245654331.

133456542440553 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 5 + 6 + 5 + 42 + 4 + 40 + 553 = 666.

It is not a de Polignac number, because 133456542440553 - 2¹⁰ = 133456542439529 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 133456542440553.

It is not an unprimeable number, because it can be changed into a prime (133456542440593) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20652510301 + ... + 20652516762.

It is an arithmetic number, because the mean of its divisors is an integer number (16108960554960).

Almost surely, 2^{133456542440553} is an apocalyptic number.

It is an amenable number.

133456542440553 is a deficient number, since it is larger than the sum of its proper divisors (59850984218967).

133456542440553 is a wasteful number, since it uses less digits than its factorization.

133456542440553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41305027428 (or 41305027425 counting only the distinct ones).

The product of its (nonzero) digits is 51840000, while the sum is 54.

The spelling of 133456542440553 in words is "one hundred thirty-three trillion, four hundred fifty-six billion, five hundred forty-two million, four hundred forty thousand, five hundred fifty-three".