135126135054342 has 24 divisors (see below), whose sum is σ = 292790118380760. Its totient is φ = 45039456439200.

The previous prime is 135126135054331. The next prime is 135126135054349. The reversal of 135126135054342 is 243450531621531.

135126135054342 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 2 + 6 + 13 + 50 + 543 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135126135054349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215392992 + ... + 216019427.

It is an arithmetic number, because the mean of its divisors is an integer number (12199588265865).

Almost surely, 2^{135126135054342} is an apocalyptic number.

135126135054342 is an abundant number, since it is smaller than the sum of its proper divisors (157663983326418).

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

135126135054342 is a wasteful number, since it uses less digits than its factorization.

135126135054342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431429828 (or 431429825 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

Adding to 135126135054342 its reverse (243450531621531), we get a palindrome (378576666675873).

The spelling of 135126135054342 in words is "one hundred thirty-five trillion, one hundred twenty-six billion, one hundred thirty-five million, fifty-four thousand, three hundred forty-two".