135122164426 has 4 divisors (see below), whose sum is σ = 202683246642. Its totient is φ = 67561082212.

The previous prime is 135122164423. The next prime is 135122164439. The reversal of 135122164426 is 624461221531.

135122164426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 129200708025 + 5921456401 = 359445^2 + 76951^2 .

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33780541105 + ... + 33780541108.

Almost surely, 2^135122164426 is an apocalyptic number.

135122164426 is a deficient number, since it is larger than the sum of its proper divisors (67561082216).

135122164426 is an equidigital number, since it uses as much as digits as its factorization.

135122164426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67561082215.

The product of its digits is 69120, while the sum is 37.

Adding to 135122164426 its reverse (624461221531), we get a palindrome (759583385957).

The spelling of 135122164426 in words is "one hundred thirty-five billion, one hundred twenty-two million, one hundred sixty-four thousand, four hundred twenty-six".