135011226456 has 48 divisors (see below), whose sum is σ = 384900430200. Its totient is φ = 42635123712.

The previous prime is 135011226451. The next prime is 135011226481. The reversal of 135011226456 is 654622110531.

135011226456 is a `hidden beast` number, since 1 + 3 + 5 + 0 + 1 + 1 + 2 + 2 + 645 + 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 135011226456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135011226451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49344841 + ... + 49347576.

Almost surely, 2^135011226456 is an apocalyptic number.

It is an amenable number.

135011226456 is an abundant number, since it is smaller than the sum of its proper divisors (249889203744).

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

135011226456 is a wasteful number, since it uses less digits than its factorization.

135011226456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98692448 (or 98692441 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 135011226456 its reverse (654622110531), we get a palindrome (789633336987).

The spelling of 135011226456 in words is "one hundred thirty-five billion, eleven million, two hundred twenty-six thousand, four hundred fifty-six".