133143334236 has 144 divisors (see below), whose sum is σ = 376694424288. Its totient is φ = 39301017600.

The previous prime is 133143334217. The next prime is 133143334267. The reversal of 133143334236 is 632433341331.

133143334236 is a `hidden beast` number, since 1 + 3 + 314 + 3 + 334 + 2 + 3 + 6 = 666.

133143334236 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 133143334236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10985716 + ... + 10997828.

It is an arithmetic number, because the mean of its divisors is an integer number (2615933502).

Almost surely, 2^133143334236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133143334236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188347212144).

133143334236 is an abundant number, since it is smaller than the sum of its proper divisors (243551090052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133143334236 is a wasteful number, since it uses less digits than its factorization.

133143334236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12852 (or 12847 counting only the distinct ones).

The product of its digits is 139968, while the sum is 36.

Adding to 133143334236 its reverse (632433341331), we get a palindrome (765576675567).

The spelling of 133143334236 in words is "one hundred thirty-three billion, one hundred forty-three million, three hundred thirty-four thousand, two hundred thirty-six".