135266243020636 has 24 divisors (see below), whose sum is σ = 291342677276000. Its totient is φ = 53511920315712.

The previous prime is 135266243020633. The next prime is 135266243020651. The reversal of 135266243020636 is 636020342662531.

It is a self number, because there is not a number n which added to its sum of digits gives 135266243020636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135266243020633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185805278511 + ... + 185805279238.

Almost surely, 2^{135266243020636} is an apocalyptic number.

It is an amenable number.

135266243020636 is an abundant number, since it is smaller than the sum of its proper divisors (156076434255364).

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

135266243020636 is a wasteful number, since it uses less digits than its factorization.

135266243020636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371610557773 (or 371610557771 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 49.

The spelling of 135266243020636 in words is "one hundred thirty-five trillion, two hundred sixty-six billion, two hundred forty-three million, twenty thousand, six hundred thirty-six".