133413215252 has 24 divisors (see below), whose sum is σ = 234608119200. Its totient is φ = 66382890336.

The previous prime is 133413215251. The next prime is 133413215261. The reversal of 133413215252 is 252512314331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133413215251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879899 + ... + 1020317.

It is an arithmetic number, because the mean of its divisors is an integer number (9775338300).

Almost surely, 2^133413215252 is an apocalyptic number.

It is an amenable number.

133413215252 is a deficient number, since it is larger than the sum of its proper divisors (101194903948).

133413215252 is a wasteful number, since it uses less digits than its factorization.

133413215252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141575 (or 141573 counting only the distinct ones).

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

Adding to 133413215252 its reverse (252512314331), we get a palindrome (385925529583).

The spelling of 133413215252 in words is "one hundred thirty-three billion, four hundred thirteen million, two hundred fifteen thousand, two hundred fifty-two".