135585844 has 6 divisors (see below), whose sum is σ = 237275234. Its totient is φ = 67792920.

The previous prime is 135585803. The next prime is 135585869. The reversal of 135585844 is 448585531.

It can be written as a sum of positive squares in only one way, i.e., 106296100 + 29289744 = 10310^2 + 5412^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135585844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16948227 + ... + 16948234.

Almost surely, 2^135585844 is an apocalyptic number.

It is an amenable number.

135585844 is a deficient number, since it is larger than the sum of its proper divisors (101689390).

135585844 is a wasteful number, since it uses less digits than its factorization.

135585844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33896465 (or 33896463 counting only the distinct ones).

The product of its digits is 384000, while the sum is 43.

The square root of 135585844 is about 11644.1334585275. The cubic root of 135585844 is about 513.7337718031.

The spelling of 135585844 in words is "one hundred thirty-five million, five hundred eighty-five thousand, eight hundred forty-four".