133425424553 has 6 divisors (see below), whose sum is σ = 133601563902. Its totient is φ = 133249517120.

The previous prime is 133425424529. The next prime is 133425424567. The reversal of 133425424553 is 355424524331.

It can be written as a sum of positive squares in 3 ways, for example, as 38115533824 + 95309890729 = 195232^2 + 308723^2 .

It is not a de Polignac number, because 133425424553 - 2²⁰ = 133424375977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133425424553.

It is not an unprimeable number, because it can be changed into a prime (133425424523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463925 + ... + 694317.

It is an arithmetic number, because the mean of its divisors is an integer number (22266927317).

Almost surely, 2^133425424553 is an apocalyptic number.

It is an amenable number.

133425424553 is a deficient number, since it is larger than the sum of its proper divisors (176139349).

133425424553 is an frugal number, since it uses more digits than its factorization.

133425424553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231915 (or 231154 counting only the distinct ones).

The product of its digits is 864000, while the sum is 41.

Adding to 133425424553 its reverse (355424524331), we get a palindrome (488849948884).

The spelling of 133425424553 in words is "one hundred thirty-three billion, four hundred twenty-five million, four hundred twenty-four thousand, five hundred fifty-three".