135122164427 has 8 divisors (see below), whose sum is σ = 139428181872. Its totient is φ = 130864259200.

The previous prime is 135122164423. The next prime is 135122164439. The reversal of 135122164427 is 724461221531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135122164427 - 2² = 135122164423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135122164423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12022349 + ... + 12033582.

It is an arithmetic number, because the mean of its divisors is an integer number (17428522734).

Almost surely, 2^135122164427 is an apocalyptic number.

135122164427 is a deficient number, since it is larger than the sum of its proper divisors (4306017445).

135122164427 is a wasteful number, since it uses less digits than its factorization.

135122164427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24056109.

The product of its digits is 80640, while the sum is 38.

Adding to 135122164427 its reverse (724461221531), we get a palindrome (859583385958).

The spelling of 135122164427 in words is "one hundred thirty-five billion, one hundred twenty-two million, one hundred sixty-four thousand, four hundred twenty-seven".