133543121252 has 12 divisors (see below), whose sum is σ = 233707131756. Its totient is φ = 66769655040.

The previous prime is 133543121233. The next prime is 133543121267. The reversal of 133543121252 is 252121345331.

It can be written as a sum of positive squares in 2 ways, for example, as 116618152036 + 16924969216 = 341494^2 + 130096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312449 + ... + 603912.

It is an arithmetic number, because the mean of its divisors is an integer number (19475594313).

Almost surely, 2^133543121252 is an apocalyptic number.

It is an amenable number.

133543121252 is a deficient number, since it is larger than the sum of its proper divisors (100164010504).

133543121252 is a wasteful number, since it uses less digits than its factorization.

133543121252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952798 (or 952796 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

Adding to 133543121252 its reverse (252121345331), we get a palindrome (385664466583).

The spelling of 133543121252 in words is "one hundred thirty-three billion, five hundred forty-three million, one hundred twenty-one thousand, two hundred fifty-two".