135030123 has 12 divisors (see below), whose sum is σ = 195525720. Its totient is φ = 89797536.

The previous prime is 135030121. The next prime is 135030139. The reversal of 135030123 is 321030531.

It is not a de Polignac number, because 135030123 - 2¹ = 135030121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135030096 and 135030105.

It is not an unprimeable number, because it can be changed into a prime (135030121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14661 + ... + 22022.

It is an arithmetic number, because the mean of its divisors is an integer number (16293810).

Almost surely, 2^135030123 is an apocalyptic number.

135030123 is a deficient number, since it is larger than the sum of its proper divisors (60495597).

135030123 is a wasteful number, since it uses less digits than its factorization.

135030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37098 (or 37095 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 135030123 is about 11620.2462538451. The cubic root of 135030123 is about 513.0309364287.

Adding to 135030123 its reverse (321030531), we get a palindrome (456060654).

The spelling of 135030123 in words is "one hundred thirty-five million, thirty thousand, one hundred twenty-three".