135134225 has 12 divisors (see below), whose sum is σ = 167710620. Its totient is φ = 108014400.

The previous prime is 135134203. The next prime is 135134227. The reversal of 135134225 is 522431531.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1893376 + 133240849 = 1376^2 + 11543^2 .

It is not a de Polignac number, because 135134225 - 2¹⁸ = 134872081 is a prime.

It is a super-2 number, since 2×135134225² = 36522517532701250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135134194 and 135134203.

It is not an unprimeable number, because it can be changed into a prime (135134227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56555 + ... + 58895.

It is an arithmetic number, because the mean of its divisors is an integer number (13975885).

Almost surely, 2^135134225 is an apocalyptic number.

It is an amenable number.

135134225 is a deficient number, since it is larger than the sum of its proper divisors (32576395).

135134225 is a wasteful number, since it uses less digits than its factorization.

135134225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660 (or 4655 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 135134225 is about 11624.7247279237. The cubic root of 135134225 is about 513.1627436293.

Adding to 135134225 its reverse (522431531), we get a palindrome (657565756).

The spelling of 135134225 in words is "one hundred thirty-five million, one hundred thirty-four thousand, two hundred twenty-five".