135587786 has 8 divisors (see below), whose sum is σ = 203472324. Its totient is φ = 67763680.

The previous prime is 135587761. The next prime is 135587797. The reversal of 135587786 is 687785531.

It can be written as a sum of positive squares in 2 ways, for example, as 131905225 + 3682561 = 11485^2 + 1919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9005 + ... + 18768.

Almost surely, 2^135587786 is an apocalyptic number.

135587786 is a deficient number, since it is larger than the sum of its proper divisors (67884538).

135587786 is a wasteful number, since it uses less digits than its factorization.

135587786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30216.

The product of its digits is 1411200, while the sum is 50.

The square root of 135587786 is about 11644.2168478606. The cubic root of 135587786 is about 513.7362245326.

The spelling of 135587786 in words is "one hundred thirty-five million, five hundred eighty-seven thousand, seven hundred eighty-six".