135924581256 has 32 divisors (see below), whose sum is σ = 340883432640. Its totient is φ = 45165263168.

The previous prime is 135924581237. The next prime is 135924581267. The reversal of 135924581256 is 652185429531.

It is a happy number.

135924581256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 135924581199 and 135924581208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8925396 + ... + 8940611.

It is an arithmetic number, because the mean of its divisors is an integer number (10652607270).

Almost surely, 2^135924581256 is an apocalyptic number.

It is an amenable number.

135924581256 is an abundant number, since it is smaller than the sum of its proper divisors (204958851384).

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

135924581256 is a wasteful number, since it uses less digits than its factorization.

135924581256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17866333 (or 17866329 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 51.

The spelling of 135924581256 in words is "one hundred thirty-five billion, nine hundred twenty-four million, five hundred eighty-one thousand, two hundred fifty-six".