135303125 has 24 divisors (see below), whose sum is σ = 175066920. Its totient is φ = 104440000.

The previous prime is 135303121. The next prime is 135303131. The reversal of 135303125 is 521303531.

It can be written as a sum of positive squares in 12 ways, for example, as 126315121 + 8988004 = 11239^2 + 2998^2 .

It is not a de Polignac number, because 135303125 - 2² = 135303121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135303125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135303121) 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, 89879 + ... + 91371.

It is an arithmetic number, because the mean of its divisors is an integer number (7294455).

Almost surely, 2^135303125 is an apocalyptic number.

It is an amenable number.

135303125 is a deficient number, since it is larger than the sum of its proper divisors (39763795).

135303125 is an frugal number, since it uses more digits than its factorization.

135303125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 135303125 is about 11631.9871475170. The cubic root of 135303125 is about 513.3764499212.

Adding to 135303125 its reverse (521303531), we get a palindrome (656606656).

The spelling of 135303125 in words is "one hundred thirty-five million, three hundred three thousand, one hundred twenty-five".