135686005 has 16 divisors (see below), whose sum is σ = 200398464. Its totient is φ = 85884480.

The previous prime is 135686003. The next prime is 135686009. The reversal of 135686005 is 500686531.

135686005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135686005 - 2¹ = 135686003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135686003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148651 + ... + 149560.

It is an arithmetic number, because the mean of its divisors is an integer number (12524904).

Almost surely, 2^135686005 is an apocalyptic number.

It is an amenable number.

135686005 is a deficient number, since it is larger than the sum of its proper divisors (64712459).

135686005 is a wasteful number, since it uses less digits than its factorization.

135686005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298236.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 135686005 is about 11648.4335856801. The cubic root of 135686005 is about 513.8602437643.

The spelling of 135686005 in words is "one hundred thirty-five million, six hundred eighty-six thousand, five".