135122336445125 has 8 divisors (see below), whose sum is σ = 168632675883672. Its totient is φ = 108097869156000.

The previous prime is 135122336445101. The next prime is 135122336445137. The reversal of 135122336445125 is 521544633221531.

It can be written as a sum of positive squares in 4 ways, for example, as 26359588637281 + 108762747807844 = 5134159^2 + 10428938^2 .

It is not a de Polignac number, because 135122336445125 - 2²² = 135122332250821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135122336445125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540489345656 + ... + 540489345905.

It is an arithmetic number, because the mean of its divisors is an integer number (21079084485459).

Almost surely, 2^{135122336445125} is an apocalyptic number.

It is an amenable number.

135122336445125 is a deficient number, since it is larger than the sum of its proper divisors (33510339438547).

135122336445125 is an equidigital number, since it uses as much as digits as its factorization.

135122336445125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080978691576 (or 1080978691566 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 47.

Adding to 135122336445125 its reverse (521544633221531), we get a palindrome (656666969666656).

The spelling of 135122336445125 in words is "one hundred thirty-five trillion, one hundred twenty-two billion, three hundred thirty-six million, four hundred forty-five thousand, one hundred twenty-five".