135784943226 has 24 divisors (see below), whose sum is σ = 294207675840. Its totient is φ = 45260576136.

The previous prime is 135784943213. The next prime is 135784943237. The reversal of 135784943226 is 622349487531.

135784943226 is a `hidden beast` number, since 1 + 3 + 578 + 4 + 9 + 43 + 2 + 26 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1178671 + ... + 1288733.

It is an arithmetic number, because the mean of its divisors is an integer number (12258653160).

Almost surely, 2^135784943226 is an apocalyptic number.

135784943226 is an abundant number, since it is smaller than the sum of its proper divisors (158422732614).

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

135784943226 is a wasteful number, since it uses less digits than its factorization.

135784943226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178610 (or 178607 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 135784943226 in words is "one hundred thirty-five billion, seven hundred eighty-four million, nine hundred forty-three thousand, two hundred twenty-six".