133333533333 has 144 divisors (see below), whose sum is σ = 270322206336. Its totient is φ = 62207066880.

The previous prime is 133333533317. The next prime is 133333533337. The reversal of 133333533333 is 333335333331.

133333533333 is an astonishing number since 133333533333 = 133333 + ... + 533333.

It is not a de Polignac number, because 133333533333 - 2⁴ = 133333533317 is a prime.

It is a super-2 number, since 2×133333533333² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133333533337) 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 143 ways as a sum of consecutive naturals, for example, 2304760 + ... + 2361902.

It is an arithmetic number, because the mean of its divisors is an integer number (1877237544).

Almost surely, 2^133333533333 is an apocalyptic number.

133333533333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133333533333 is an abundant number, since it is smaller than the sum of its proper divisors (136988673003).

133333533333 is a wasteful number, since it uses less digits than its factorization.

133333533333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57224 (or 57214 counting only the distinct ones).

The product of its digits is 295245, while the sum is 36.

Adding to 133333533333 its reverse (333335333331), we get a palindrome (466668866664).

It can be divided in two parts, 133333 and 533333, that added together give a palindrome (666666).

The spelling of 133333533333 in words is "one hundred thirty-three billion, three hundred thirty-three million, five hundred thirty-three thousand, three hundred thirty-three".