135395725 has 6 divisors (see below), whose sum is σ = 167890730. Its totient is φ = 108316560.

The previous prime is 135395723. The next prime is 135395731. The reversal of 135395725 is 527593531.

It can be written as a sum of positive squares in 3 ways, for example, as 47073321 + 88322404 = 6861^2 + 9398^2 .

It is not a de Polignac number, because 135395725 - 2¹ = 135395723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135395723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2707890 + ... + 2707939.

Almost surely, 2^135395725 is an apocalyptic number.

It is an amenable number.

135395725 is a deficient number, since it is larger than the sum of its proper divisors (32495005).

135395725 is an equidigital number, since it uses as much as digits as its factorization.

135395725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415839 (or 5415834 counting only the distinct ones).

The product of its digits is 141750, while the sum is 40.

The square root of 135395725 is about 11635.9668700113. The cubic root of 135395725 is about 513.4935396495.

The spelling of 135395725 in words is "one hundred thirty-five million, three hundred ninety-five thousand, seven hundred twenty-five".