135070068138 has 32 divisors (see below), whose sum is σ = 274332816576. Its totient is φ = 44326793088.

The previous prime is 135070068121. The next prime is 135070068149. The reversal of 135070068138 is 831860070531.

It is a self number, because there is not a number n which added to its sum of digits gives 135070068138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32856 + ... + 520787.

It is an arithmetic number, because the mean of its divisors is an integer number (8572900518).

Almost surely, 2^135070068138 is an apocalyptic number.

135070068138 is an abundant number, since it is smaller than the sum of its proper divisors (139262748438).

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

135070068138 is a wasteful number, since it uses less digits than its factorization.

135070068138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554278.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 135070068138 in words is "one hundred thirty-five billion, seventy million, sixty-eight thousand, one hundred thirty-eight".