133794643 has 2 divisors, whose sum is σ = 133794644. Its totient is φ = 133794642.

The previous prime is 133794613. The next prime is 133794649. The reversal of 133794643 is 346497331.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (346497331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133794643 - 2²¹ = 131697491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133794596 and 133794605.

It is not a weakly prime, because it can be changed into another prime (133794649) 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 as a sum of consecutive naturals, namely, 66897321 + 66897322.

It is an arithmetic number, because the mean of its divisors is an integer number (66897322).

Almost surely, 2^133794643 is an apocalyptic number.

133794643 is a deficient number, since it is larger than the sum of its proper divisors (1).

133794643 is an equidigital number, since it uses as much as digits as its factorization.

133794643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 40.

The square root of 133794643 is about 11566.9634303909. The cubic root of 133794643 is about 511.4614533313.

The spelling of 133794643 in words is "one hundred thirty-three million, seven hundred ninety-four thousand, six hundred forty-three".