133613128638586 has 48 divisors (see below), whose sum is σ = 204134545326816. Its totient is φ = 65584841972832.

The previous prime is 133613128638559. The next prime is 133613128638589. The reversal of 133613128638586 is 685836821316331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133613128638589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2261648080 + ... + 2261707156.

It is an arithmetic number, because the mean of its divisors is an integer number (4252803027642).

Almost surely, 2^{133613128638586} is an apocalyptic number.

133613128638586 is a deficient number, since it is larger than the sum of its proper divisors (70521416688230).

133613128638586 is a wasteful number, since it uses less digits than its factorization.

133613128638586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60011 (or 59872 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 64.

The spelling of 133613128638586 in words is "one hundred thirty-three trillion, six hundred thirteen billion, one hundred twenty-eight million, six hundred thirty-eight thousand, five hundred eighty-six".