135225513 has 12 divisors (see below), whose sum is σ = 196571908. Its totient is φ = 89575200.

The previous prime is 135225481. The next prime is 135225523. The reversal of 135225513 is 315522531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38340864 + 96884649 = 6192^2 + 9843^2 .

It is not a de Polignac number, because 135225513 - 2⁵ = 135225481 is a prime.

It is a super-2 number, since 2×135225513² = 36571878732226338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135225523) 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, 46438 + ... + 49263.

Almost surely, 2^135225513 is an apocalyptic number.

It is an amenable number.

135225513 is a deficient number, since it is larger than the sum of its proper divisors (61346395).

135225513 is a wasteful number, since it uses less digits than its factorization.

135225513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95864 (or 95861 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 135225513 is about 11628.6505235990. The cubic root of 135225513 is about 513.2782708785.

The spelling of 135225513 in words is "one hundred thirty-five million, two hundred twenty-five thousand, five hundred thirteen".