135685743 has 8 divisors (see below), whose sum is σ = 181001856. Its totient is φ = 90413400.

The previous prime is 135685741. The next prime is 135685747. The reversal of 135685743 is 347586531.

135685743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 135685743 - 2¹ = 135685741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135685695 and 135685704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135685741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2853 + ... + 16718.

It is an arithmetic number, because the mean of its divisors is an integer number (22625232).

Almost surely, 2^135685743 is an apocalyptic number.

135685743 is a deficient number, since it is larger than the sum of its proper divisors (45316113).

135685743 is a wasteful number, since it uses less digits than its factorization.

135685743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21885.

The product of its digits is 302400, while the sum is 42.

The square root of 135685743 is about 11648.4223395274. The cubic root of 135685743 is about 513.8599130216.

The spelling of 135685743 in words is "one hundred thirty-five million, six hundred eighty-five thousand, seven hundred forty-three".