133464543530553 has 24 divisors (see below), whose sum is σ = 193479947767808. Its totient is φ = 88654293472032.

The previous prime is 133464543530533. The next prime is 133464543530579. The reversal of 133464543530553 is 355035345464331.

It is a happy number.

133464543530553 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 6 + 4 + 54 + 3 + 5 + 30 + 553 = 666.

It is not a de Polignac number, because 133464543530553 - 2⁶ = 133464543530489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133464543530553.

It is not an unprimeable number, because it can be changed into a prime (133464543530533) 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 23 ways as a sum of consecutive naturals, for example, 358374600 + ... + 358746822.

Almost surely, 2^{133464543530553} is an apocalyptic number.

It is an amenable number.

133464543530553 is a deficient number, since it is larger than the sum of its proper divisors (60015404237255).

133464543530553 is a wasteful number, since it uses less digits than its factorization.

133464543530553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516333 (or 516330 counting only the distinct ones).

The product of its (nonzero) digits is 58320000, while the sum is 54.

Adding to 133464543530553 its reverse (355035345464331), we get a palindrome (488499888994884).

The spelling of 133464543530553 in words is "one hundred thirty-three trillion, four hundred sixty-four billion, five hundred forty-three million, five hundred thirty thousand, five hundred fifty-three".