135782686 has 8 divisors (see below), whose sum is σ = 219341304. Its totient is φ = 62668920.

The previous prime is 135782677. The next prime is 135782687. The reversal of 135782686 is 686287531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135782687) by changing a digit.

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, 2611180 + ... + 2611231.

It is an arithmetic number, because the mean of its divisors is an integer number (27417663).

Almost surely, 2^135782686 is an apocalyptic number.

135782686 is a deficient number, since it is larger than the sum of its proper divisors (83558618).

135782686 is a wasteful number, since it uses less digits than its factorization.

135782686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222426.

The product of its digits is 483840, while the sum is 46.

The square root of 135782686 is about 11652.5828038251. The cubic root of 135782686 is about 513.9822625562.

The spelling of 135782686 in words is "one hundred thirty-five million, seven hundred eighty-two thousand, six hundred eighty-six".