133504219 has 2 divisors, whose sum is σ = 133504220. Its totient is φ = 133504218.

The previous prime is 133504201. The next prime is 133504229. The reversal of 133504219 is 912405331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133504219 - 2¹⁵ = 133471451 is a prime.

It is a super-2 number, since 2×133504219² = 35646752981599922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133504229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66752109 + 66752110.

It is an arithmetic number, because the mean of its divisors is an integer number (66752110).

Almost surely, 2^133504219 is an apocalyptic number.

133504219 is a deficient number, since it is larger than the sum of its proper divisors (1).

133504219 is an equidigital number, since it uses as much as digits as its factorization.

133504219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 133504219 is about 11554.4025808347. The cubic root of 133504219 is about 511.0911139187.

The spelling of 133504219 in words is "one hundred thirty-three million, five hundred four thousand, two hundred nineteen".