135212066116 has 12 divisors (see below), whose sum is σ = 250540004988. Its totient is φ = 63629207552.

The previous prime is 135212066053. The next prime is 135212066161. The reversal of 135212066116 is 611660212531.

It can be written as a sum of positive squares in 2 ways, for example, as 106735503616 + 28476562500 = 326704^2 + 168750^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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 3 ways as a sum of consecutive naturals, for example, 994206301 + ... + 994206436.

It is an arithmetic number, because the mean of its divisors is an integer number (20878333749).

Almost surely, 2^135212066116 is an apocalyptic number.

It is an amenable number.

135212066116 is a deficient number, since it is larger than the sum of its proper divisors (115327938872).

135212066116 is a wasteful number, since it uses less digits than its factorization.

135212066116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988412758 (or 1988412756 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 135212066116 its reverse (611660212531), we get a palindrome (746872278647).

The spelling of 135212066116 in words is "one hundred thirty-five billion, two hundred twelve million, sixty-six thousand, one hundred sixteen".