133525684833 has 64 divisors (see below), whose sum is σ = 194090577408. Its totient is φ = 81342443520.

The previous prime is 133525684829. The next prime is 133525684843. The reversal of 133525684833 is 338486525331.

It is not a de Polignac number, because 133525684833 - 2² = 133525684829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (133525684843) 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, 81566491 + ... + 81568127.

It is an arithmetic number, because the mean of its divisors is an integer number (3032665272).

Almost surely, 2^133525684833 is an apocalyptic number.

It is an amenable number.

133525684833 is a deficient number, since it is larger than the sum of its proper divisors (60564892575).

133525684833 is a wasteful number, since it uses less digits than its factorization.

133525684833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042.

The product of its digits is 6220800, while the sum is 51.

The spelling of 133525684833 in words is "one hundred thirty-three billion, five hundred twenty-five million, six hundred eighty-four thousand, eight hundred thirty-three".