135135583 has 24 divisors (see below), whose sum is σ = 153386240. Its totient is φ = 118918800.

The previous prime is 135135577. The next prime is 135135589. The reversal of 135135583 is 385531531.

It is an interprime number because it is at equal distance from previous prime (135135577) and next prime (135135589).

It is not a de Polignac number, because 135135583 - 2⁵ = 135135551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135135589) 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 23 ways as a sum of consecutive naturals, for example, 640348 + ... + 640558.

Almost surely, 2^135135583 is an apocalyptic number.

135135583 is a deficient number, since it is larger than the sum of its proper divisors (18250657).

135135583 is a wasteful number, since it uses less digits than its factorization.

135135583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 368 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The square root of 135135583 is about 11624.7831377622. The cubic root of 135135583 is about 513.1644625934.

The spelling of 135135583 in words is "one hundred thirty-five million, one hundred thirty-five thousand, five hundred eighty-three".