133443183213 has 64 divisors (see below), whose sum is σ = 207519874560. Its totient is φ = 84588134400.

The previous prime is 133443183199. The next prime is 133443183229. The reversal of 133443183213 is 312381344331.

133443183213 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 431 + 8 + 3 + 213 = 666.

It is not a de Polignac number, because 133443183213 - 2⁹ = 133443182701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133443183613) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111854545 + ... + 111855737.

It is an arithmetic number, because the mean of its divisors is an integer number (3242498040).

Almost surely, 2^133443183213 is an apocalyptic number.

It is an amenable number.

133443183213 is a deficient number, since it is larger than the sum of its proper divisors (74076691347).

133443183213 is a wasteful number, since it uses less digits than its factorization.

133443183213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147 (or 2141 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The spelling of 133443183213 in words is "one hundred thirty-three billion, four hundred forty-three million, one hundred eighty-three thousand, two hundred thirteen".