135122125137 has 16 divisors (see below), whose sum is σ = 180741321600. Its totient is φ = 89792352000.

The previous prime is 135122125121. The next prime is 135122125189. The reversal of 135122125137 is 731521221531.

It is a happy number.

It is not a de Polignac number, because 135122125137 - 2⁴ = 135122125121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135122125098 and 135122125107.

It is not an unprimeable number, because it can be changed into a prime (135122125337) 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, 3247012 + ... + 3288362.

It is an arithmetic number, because the mean of its divisors is an integer number (11296332600).

Almost surely, 2^135122125137 is an apocalyptic number.

It is an amenable number.

135122125137 is a deficient number, since it is larger than the sum of its proper divisors (45619196463).

135122125137 is a wasteful number, since it uses less digits than its factorization.

135122125137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44824.

The product of its digits is 12600, while the sum is 33.

Adding to 135122125137 its reverse (731521221531), we get a palindrome (866643346668).

The spelling of 135122125137 in words is "one hundred thirty-five billion, one hundred twenty-two million, one hundred twenty-five thousand, one hundred thirty-seven".