135633427 has 2 divisors, whose sum is σ = 135633428. Its totient is φ = 135633426.

The previous prime is 135633409. The next prime is 135633437. The reversal of 135633427 is 724336531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135633427 - 2⁷ = 135633299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135633392 and 135633401.

It is not a weakly prime, because it can be changed into another prime (135633437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67816713 + 67816714.

It is an arithmetic number, because the mean of its divisors is an integer number (67816714).

Almost surely, 2^135633427 is an apocalyptic number.

135633427 is a deficient number, since it is larger than the sum of its proper divisors (1).

135633427 is an equidigital number, since it uses as much as digits as its factorization.

135633427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 34.

The square root of 135633427 is about 11646.1764970311. The cubic root of 135633427 is about 513.7938619872.

Adding to 135633427 its reverse (724336531), we get a palindrome (859969958).

The spelling of 135633427 in words is "one hundred thirty-five million, six hundred thirty-three thousand, four hundred twenty-seven".