135142320747126 has 128 divisors (see below), whose sum is σ = 353414409486336. Its totient is φ = 33405296158080.

The previous prime is 135142320747061. The next prime is 135142320747169. The reversal of 135142320747126 is 621747023241531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30186070 + ... + 34372713.

It is an arithmetic number, because the mean of its divisors is an integer number (2761050074112).

Almost surely, 2^{135142320747126} is an apocalyptic number.

135142320747126 is an abundant number, since it is smaller than the sum of its proper divisors (218272088739210).

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

135142320747126 is a wasteful number, since it uses less digits than its factorization.

135142320747126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64559026.

The product of its (nonzero) digits is 1693440, while the sum is 48.

Adding to 135142320747126 its reverse (621747023241531), we get a palindrome (756889343988657).

The spelling of 135142320747126 in words is "one hundred thirty-five trillion, one hundred forty-two billion, three hundred twenty million, seven hundred forty-seven thousand, one hundred twenty-six".