135115525 has 12 divisors (see below), whose sum is σ = 168551712. Its totient is φ = 107441840.

The previous prime is 135115511. The next prime is 135115529. The reversal of 135115525 is 525511531.

It is not a de Polignac number, because 135115525 - 2⁵ = 135115493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135115493 and 135115502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135115529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12007 + ... + 20356.

It is an arithmetic number, because the mean of its divisors is an integer number (14045976).

Almost surely, 2^135115525 is an apocalyptic number.

It is an amenable number.

135115525 is a deficient number, since it is larger than the sum of its proper divisors (33436187).

135115525 is a wasteful number, since it uses less digits than its factorization.

135115525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32540 (or 32535 counting only the distinct ones).

The product of its digits is 3750, while the sum is 28.

The square root of 135115525 is about 11623.9203799751. The cubic root of 135115525 is about 513.1390718911.

The spelling of 135115525 in words is "one hundred thirty-five million, one hundred fifteen thousand, five hundred twenty-five".