133845203 has 2 divisors, whose sum is σ = 133845204. Its totient is φ = 133845202.

The previous prime is 133845191. The next prime is 133845221. The reversal of 133845203 is 302548331.

It is a weak prime.

It is an emirp because it is prime and its reverse (302548331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133845203 - 2¹⁴ = 133828819 is a prime.

It is a super-2 number, since 2×133845203² = 35829076732222418, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (133845263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66922601 + 66922602.

It is an arithmetic number, because the mean of its divisors is an integer number (66922602).

Almost surely, 2^133845203 is an apocalyptic number.

133845203 is a deficient number, since it is larger than the sum of its proper divisors (1).

133845203 is an equidigital number, since it uses as much as digits as its factorization.

133845203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 133845203 is about 11569.1487586598. The cubic root of 133845203 is about 511.5258710435.

The spelling of 133845203 in words is "one hundred thirty-three million, eight hundred forty-five thousand, two hundred three".