135424233 has 12 divisors (see below), whose sum is σ = 223557568. Its totient is φ = 77385240.

The previous prime is 135424187. The next prime is 135424241. The reversal of 135424233 is 332424531.

135424233 is a `hidden beast` number, since 1 + 3 + 5 + 424 + 233 = 666.

It is not a de Polignac number, because 135424233 - 2¹² = 135420137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135424197 and 135424206.

It is not an unprimeable number, because it can be changed into a prime (135424733) 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 in 11 ways as a sum of consecutive naturals, for example, 1074733 + ... + 1074858.

Almost surely, 2^135424233 is an apocalyptic number.

It is an amenable number.

135424233 is a deficient number, since it is larger than the sum of its proper divisors (88133335).

135424233 is a wasteful number, since it uses less digits than its factorization.

135424233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149604 (or 2149601 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 135424233 is about 11637.1918004302. The cubic root of 135424233 is about 513.5295763524.

Adding to 135424233 its reverse (332424531), we get a palindrome (467848764).

The spelling of 135424233 in words is "one hundred thirty-five million, four hundred twenty-four thousand, two hundred thirty-three".