135133136136 has 64 divisors (see below), whose sum is σ = 397450411200. Its totient is φ = 42394708224.

The previous prime is 135133136107. The next prime is 135133136161. The reversal of 135133136136 is 631631331531.

135133136136 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 3 + 31 + 3 + 613 + 6 = 666.

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 135133136136.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18396810 + ... + 18404153.

It is an arithmetic number, because the mean of its divisors is an integer number (6210162675).

Almost surely, 2^135133136136 is an apocalyptic number.

It is an amenable number.

135133136136 is an abundant number, since it is smaller than the sum of its proper divisors (262317275064).

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

135133136136 is a wasteful number, since it uses less digits than its factorization.

135133136136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36800995 (or 36800985 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

Adding to 135133136136 its reverse (631631331531), we get a palindrome (766764467667).

The spelling of 135133136136 in words is "one hundred thirty-five billion, one hundred thirty-three million, one hundred thirty-six thousand, one hundred thirty-six".