135706536 has 64 divisors (see below), whose sum is σ = 430819200. Its totient is φ = 38772864.

The previous prime is 135706511. The next prime is 135706547. The reversal of 135706536 is 635607531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 135706536.

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 15 ways as a sum of consecutive naturals, for example, 43365 + ... + 46388.

It is an arithmetic number, because the mean of its divisors is an integer number (6731550).

Almost surely, 2^135706536 is an apocalyptic number.

It is an amenable number.

135706536 is an abundant number, since it is smaller than the sum of its proper divisors (295112664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135706536 is a wasteful number, since it uses less digits than its factorization.

135706536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89775 (or 89765 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 135706536 is about 11649.3148296370. The cubic root of 135706536 is about 513.8861602976.

The spelling of 135706536 in words is "one hundred thirty-five million, seven hundred six thousand, five hundred thirty-six".