135278564844348 has 72 divisors (see below), whose sum is σ = 360496294405520. Its totient is φ = 42654917986560.

The previous prime is 135278564844341. The next prime is 135278564844389. The reversal of 135278564844348 is 843448465872531.

135278564844348 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 7 + 85 + 64 + 8 + 443 + 48 = 666.

135278564844348 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135278564844341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149151265 + ... + 150055512.

Almost surely, 2^{135278564844348} is an apocalyptic number.

135278564844348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

135278564844348 is an abundant number, since it is smaller than the sum of its proper divisors (225217729561172).

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

135278564844348 is a wasteful number, since it uses less digits than its factorization.

135278564844348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299207467 (or 299207462 counting only the distinct ones).

The product of its digits is 2477260800, while the sum is 72.

The spelling of 135278564844348 in words is "one hundred thirty-five trillion, two hundred seventy-eight billion, five hundred sixty-four million, eight hundred forty-four thousand, three hundred forty-eight".