135896986 has 8 divisors (see below), whose sum is σ = 203894964. Its totient is φ = 67932000.

The previous prime is 135896977. The next prime is 135896993. The reversal of 135896986 is 689698531.

It is a happy number.

135896986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 105987025 + 29909961 = 10295^2 + 5469^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11736 + ... + 20236.

Almost surely, 2^135896986 is an apocalyptic number.

135896986 is a deficient number, since it is larger than the sum of its proper divisors (67997978).

135896986 is an equidigital number, since it uses as much as digits as its factorization.

135896986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16496.

The product of its digits is 2799360, while the sum is 55.

The square root of 135896986 is about 11657.4862641995. The cubic root of 135896986 is about 514.1264431769.

The spelling of 135896986 in words is "one hundred thirty-five million, eight hundred ninety-six thousand, nine hundred eighty-six".