133607533 has 4 divisors (see below), whose sum is σ = 133721280. Its totient is φ = 133493788.

The previous prime is 133607501. The next prime is 133607543. The reversal of 133607533 is 335706331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133607533 - 2⁵ = 133607501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133607495 and 133607504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133607543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55093 + ... + 57466.

It is an arithmetic number, because the mean of its divisors is an integer number (33430320).

Almost surely, 2^133607533 is an apocalyptic number.

It is an amenable number.

133607533 is a deficient number, since it is larger than the sum of its proper divisors (113747).

133607533 is a wasteful number, since it uses less digits than its factorization.

133607533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113746.

The product of its (nonzero) digits is 17010, while the sum is 31.

The square root of 133607533 is about 11558.8724796150. The cubic root of 133607533 is about 511.2229181240. Note that the first 3 decimals are identical.

The spelling of 133607533 in words is "one hundred thirty-three million, six hundred seven thousand, five hundred thirty-three".