135122775027 has 32 divisors (see below), whose sum is σ = 191449827072. Its totient is φ = 84477609984.

The previous prime is 135122775023. The next prime is 135122775059. The reversal of 135122775027 is 720577221531.

It is not a de Polignac number, because 135122775027 - 2² = 135122775023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135122775027.

It is not an unprimeable number, because it can be changed into a prime (135122775023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16850523 + ... + 16858539.

It is an arithmetic number, because the mean of its divisors is an integer number (5982807096).

Almost surely, 2^135122775027 is an apocalyptic number.

135122775027 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

135122775027 is a deficient number, since it is larger than the sum of its proper divisors (56327052045).

135122775027 is a wasteful number, since it uses less digits than its factorization.

135122775027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9187.

The product of its (nonzero) digits is 205800, while the sum is 42.

Adding to 135122775027 its reverse (720577221531), we get a palindrome (855699996558).

The spelling of 135122775027 in words is "one hundred thirty-five billion, one hundred twenty-two million, seven hundred seventy-five thousand, twenty-seven".