135512354550042 has 28 divisors (see below), whose sum is σ = 304763381738250. Its totient is φ = 45170784849528.

The previous prime is 135512354550011. The next prime is 135512354550049. The reversal of 135512354550042 is 240055453215531.

135512354550042 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 1 + 2 + 3 + 54 + 550 + 0 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 96373704974121 + 39138649575921 = 9817011^2 + 6256089^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135512354550042.

It is not an unprimeable number, because it can be changed into a prime (135512354550049) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 46471999417 + ... + 46472002332.

Almost surely, 2^{135512354550042} is an apocalyptic number.

135512354550042 is an abundant number, since it is smaller than the sum of its proper divisors (169251027188208).

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

135512354550042 is an frugal number, since it uses more digits than its factorization.

135512354550042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92944001769 (or 92944001754 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 135512354550042 in words is "one hundred thirty-five trillion, five hundred twelve billion, three hundred fifty-four million, five hundred fifty thousand, forty-two".