135225525 has 24 divisors (see below), whose sum is σ = 227797920. Its totient is φ = 70757440.

The previous prime is 135225523. The next prime is 135225529. The reversal of 135225525 is 525522531.

It is not a de Polignac number, because 135225525 - 2¹ = 135225523 is a prime.

It is a super-2 number, since 2×135225525² = 36571885223051250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135225492 and 135225501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135225523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13035 + ... + 20984.

It is an arithmetic number, because the mean of its divisors is an integer number (9491580).

Almost surely, 2^135225525 is an apocalyptic number.

135225525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135225525 is a deficient number, since it is larger than the sum of its proper divisors (92572395).

135225525 is a wasteful number, since it uses less digits than its factorization.

135225525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34085 (or 34080 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 135225525 is about 11628.6510395660. The cubic root of 135225525 is about 513.2782860614.

The spelling of 135225525 in words is "one hundred thirty-five million, two hundred twenty-five thousand, five hundred twenty-five".