135511125 has 16 divisors (see below), whose sum is σ = 225491136. Its totient is φ = 72272400.

The previous prime is 135511091. The next prime is 135511127. The reversal of 135511125 is 521115531.

It is not a de Polignac number, because 135511125 - 2¹⁰ = 135510101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135511095 and 135511104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135511127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180307 + ... + 181056.

It is an arithmetic number, because the mean of its divisors is an integer number (14093196).

Almost surely, 2^135511125 is an apocalyptic number.

135511125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135511125 is a deficient number, since it is larger than the sum of its proper divisors (89980011).

135511125 is an equidigital number, since it uses as much as digits as its factorization.

135511125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361381 (or 361371 counting only the distinct ones).

The product of its digits is 750, while the sum is 24.

The square root of 135511125 is about 11640.9245766820. The cubic root of 135511125 is about 513.6393845476.

Adding to 135511125 its reverse (521115531), we get a palindrome (656626656).

The spelling of 135511125 in words is "one hundred thirty-five million, five hundred eleven thousand, one hundred twenty-five".