133220333236 has 6 divisors (see below), whose sum is σ = 233135583170. Its totient is φ = 66610166616.

The previous prime is 133220333231. The next prime is 133220333243. The reversal of 133220333236 is 632333022331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 132445044900 + 775288336 = 363930^2 + 27844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133220333198 and 133220333207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133220333231) by changing a digit.

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 as a sum of consecutive naturals, namely, 16652541651 + ... + 16652541658.

Almost surely, 2^133220333236 is an apocalyptic number.

It is an amenable number.

133220333236 is a deficient number, since it is larger than the sum of its proper divisors (99915249934).

133220333236 is a wasteful number, since it uses less digits than its factorization.

133220333236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33305083313 (or 33305083311 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 133220333236 its reverse (632333022331), we get a palindrome (765553355567).

The spelling of 133220333236 in words is "one hundred thirty-three billion, two hundred twenty million, three hundred thirty-three thousand, two hundred thirty-six".