133130013224 has 16 divisors (see below), whose sum is σ = 268820219220. Its totient is φ = 61444621440.

The previous prime is 133130013223. The next prime is 133130013251. The reversal of 133130013224 is 422310031331.

It can be written as a sum of positive squares in 2 ways, for example, as 131057032324 + 2072980900 = 362018^2 + 45530^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133130013224.

It is not an unprimeable number, because it can be changed into a prime (133130013223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640048037 + ... + 640048244.

Almost surely, 2^133130013224 is an apocalyptic number.

It is an amenable number.

133130013224 is an abundant number, since it is smaller than the sum of its proper divisors (135690205996).

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

133130013224 is a wasteful number, since it uses less digits than its factorization.

133130013224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280096300 (or 1280096296 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 133130013224 its reverse (422310031331), we get a palindrome (555440044555).

The spelling of 133130013224 in words is "one hundred thirty-three billion, one hundred thirty million, thirteen thousand, two hundred twenty-four".