133504001 has 2 divisors, whose sum is σ = 133504002. Its totient is φ = 133504000.

The previous prime is 133503989. The next prime is 133504031. The reversal of 133504001 is 100405331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133425601 + 78400 = 11551^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 133504001 - 2¹⁰ = 133502977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133504031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66752000 + 66752001.

It is an arithmetic number, because the mean of its divisors is an integer number (66752001).

Almost surely, 2^133504001 is an apocalyptic number.

It is an amenable number.

133504001 is a deficient number, since it is larger than the sum of its proper divisors (1).

133504001 is an equidigital number, since it uses as much as digits as its factorization.

133504001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 133504001 is about 11554.3931471973. The cubic root of 133504001 is about 511.0908357304.

Adding to 133504001 its reverse (100405331), we get a palindrome (233909332).

The spelling of 133504001 in words is "one hundred thirty-three million, five hundred four thousand, one".