133504205 has 16 divisors (see below), whose sum is σ = 164367360. Its totient is φ = 104049792.

The previous prime is 133504201. The next prime is 133504219. The reversal of 133504205 is 502405331.

It is a cyclic number.

It is not a de Polignac number, because 133504205 - 2² = 133504201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133504201) 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 15 ways as a sum of consecutive naturals, for example, 54977 + ... + 57353.

It is an arithmetic number, because the mean of its divisors is an integer number (10272960).

Almost surely, 2^133504205 is an apocalyptic number.

It is an amenable number.

133504205 is a deficient number, since it is larger than the sum of its proper divisors (30863155).

133504205 is a wasteful number, since it uses less digits than its factorization.

133504205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 133504205 is about 11554.4019750050. The cubic root of 133504205 is about 511.0910960534.

Adding to 133504205 its reverse (502405331), we get a palindrome (635909536).

The spelling of 133504205 in words is "one hundred thirty-three million, five hundred four thousand, two hundred five".