135320836 has 12 divisors (see below), whose sum is σ = 270641728. Its totient is φ = 57994632.

The previous prime is 135320789. The next prime is 135320837. The reversal of 135320836 is 638023531.

135320836 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 135320798 and 135320807.

It is not an unprimeable number, because it can be changed into a prime (135320837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416416 + ... + 2416471.

Almost surely, 2^135320836 is an apocalyptic number.

It is an amenable number.

135320836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135320836 is a wasteful number, since it uses less digits than its factorization.

135320836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832898 (or 4832896 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 135320836 is about 11632.7484284669. The cubic root of 135320836 is about 513.3988490432.

The spelling of 135320836 in words is "one hundred thirty-five million, three hundred twenty thousand, eight hundred thirty-six".