135142122126 has 32 divisors (see below), whose sum is σ = 294893913600. Its totient is φ = 40946828480.

The previous prime is 135142122077. The next prime is 135142122127. The reversal of 135142122126 is 621221241531.

It is a junction number, because it is equal to n+sod(n) for n = 135142122093 and 135142122102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135142122127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393370 + ... + 651938.

It is an arithmetic number, because the mean of its divisors is an integer number (9215434800).

Almost surely, 2^135142122126 is an apocalyptic number.

135142122126 is an abundant number, since it is smaller than the sum of its proper divisors (159751791474).

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

135142122126 is a wasteful number, since it uses less digits than its factorization.

135142122126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266504.

The product of its digits is 5760, while the sum is 30.

Adding to 135142122126 its reverse (621221241531), we get a palindrome (756363363657).

The spelling of 135142122126 in words is "one hundred thirty-five billion, one hundred forty-two million, one hundred twenty-two thousand, one hundred twenty-six".