135303325 has 6 divisors (see below), whose sum is σ = 167776154. Its totient is φ = 108242640.

The previous prime is 135303293. The next prime is 135303341. The reversal of 135303325 is 523303531.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 40883236 + 94420089 = 6394^2 + 9717^2 .

It is not a de Polignac number, because 135303325 - 2⁵ = 135303293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 5412133 = 135303325 / (1 + 3 + 5 + 3 + 0 + 3 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135303325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2706042 + ... + 2706091.

Almost surely, 2^135303325 is an apocalyptic number.

It is an amenable number.

135303325 is a deficient number, since it is larger than the sum of its proper divisors (32472829).

135303325 is an equidigital number, since it uses as much as digits as its factorization.

135303325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412143 (or 5412138 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 135303325 is about 11631.9957444972. The cubic root of 135303325 is about 513.3767028724.

Adding to 135303325 its reverse (523303531), we get a palindrome (658606856).

The spelling of 135303325 in words is "one hundred thirty-five million, three hundred three thousand, three hundred twenty-five".