135415225 has 24 divisors (see below), whose sum is σ = 187095168. Its totient is φ = 96379200.

The previous prime is 135415193. The next prime is 135415271. The reversal of 135415225 is 522514531.

It is not a de Polignac number, because 135415225 - 2⁵ = 135415193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135415193 and 135415202.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7687 + ... + 18163.

It is an arithmetic number, because the mean of its divisors is an integer number (7795632).

Almost surely, 2^135415225 is an apocalyptic number.

It is an amenable number.

135415225 is a deficient number, since it is larger than the sum of its proper divisors (51679943).

135415225 is a wasteful number, since it uses less digits than its factorization.

135415225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10545 (or 10540 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 135415225 is about 11636.8047590393. The cubic root of 135415225 is about 513.5181899683.

Adding to 135415225 its reverse (522514531), we get a palindrome (657929756).

The spelling of 135415225 in words is "one hundred thirty-five million, four hundred fifteen thousand, two hundred twenty-five".