133505484133 has 12 divisors (see below), whose sum is σ = 155618623872. Its totient is φ = 114200189880.

The previous prime is 133505484131. The next prime is 133505484139. The reversal of 133505484133 is 331484505331.

It is not a de Polignac number, because 133505484133 - 2¹ = 133505484131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133505484131) 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 11 ways as a sum of consecutive naturals, for example, 2750485 + ... + 2798602.

It is an arithmetic number, because the mean of its divisors is an integer number (12968218656).

Almost surely, 2^133505484133 is an apocalyptic number.

It is an amenable number.

133505484133 is a deficient number, since it is larger than the sum of its proper divisors (22113139739).

133505484133 is an equidigital number, since it uses as much as digits as its factorization.

133505484133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549592 (or 5549585 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 133505484133 its reverse (331484505331), we get a palindrome (464989989464).

The spelling of 133505484133 in words is "one hundred thirty-three billion, five hundred five million, four hundred eighty-four thousand, one hundred thirty-three".