135110225 has 24 divisors (see below), whose sum is σ = 171747192. Its totient is φ = 105408000.

The previous prime is 135110221. The next prime is 135110243. The reversal of 135110225 is 522011531.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1661521 + 133448704 = 1289^2 + 11552^2 .

It is not a de Polignac number, because 135110225 - 2² = 135110221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135110197 and 135110206.

It is not an unprimeable number, because it can be changed into a prime (135110221) 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, 183959 + ... + 184691.

It is an arithmetic number, because the mean of its divisors is an integer number (7156133).

Almost surely, 2^135110225 is an apocalyptic number.

It is an amenable number.

135110225 is a deficient number, since it is larger than the sum of its proper divisors (36636967).

135110225 is a wasteful number, since it uses less digits than its factorization.

135110225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 135110225 is about 11623.6923995777. The cubic root of 135110225 is about 513.1323623916.

Adding to 135110225 its reverse (522011531), we get a palindrome (657121756).

The spelling of 135110225 in words is "one hundred thirty-five million, one hundred ten thousand, two hundred twenty-five".