135041636 has 12 divisors (see below), whose sum is σ = 236410860. Its totient is φ = 67495680.

The previous prime is 135041633. The next prime is 135041651. The reversal of 135041636 is 636140531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104857600 + 30184036 = 10240^2 + 5494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135041599 and 135041608.

It is not an unprimeable number, because it can be changed into a prime (135041633) 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, 11216 + ... + 19896.

It is an arithmetic number, because the mean of its divisors is an integer number (19700905).

Almost surely, 2^135041636 is an apocalyptic number.

It is an amenable number.

135041636 is a deficient number, since it is larger than the sum of its proper divisors (101369224).

135041636 is a wasteful number, since it uses less digits than its factorization.

135041636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12574 (or 12572 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 135041636 is about 11620.7416286569. The cubic root of 135041636 is about 513.0455167737.

The spelling of 135041636 in words is "one hundred thirty-five million, forty-one thousand, six hundred thirty-six".