135759087025 has 27 divisors (see below), whose sum is σ = 171380083521. Its totient is φ = 106680986880.

The previous prime is 135759087019. The next prime is 135759087029. The reversal of 135759087025 is 520780957531.

The square root of 135759087025 is 368455.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7248308769 + 128510778256 = 85137^2 + 358484^2 .

It is not a de Polignac number, because 135759087025 - 2⁹ = 135759086513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135759087029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 108693601 + ... + 108694849.

Almost surely, 2^135759087025 is an apocalyptic number.

135759087025 is the 368455-th square number.

135759087025 is the 184228-th centered octagonal number.

It is an amenable number.

135759087025 is a deficient number, since it is larger than the sum of its proper divisors (35620996496).

135759087025 is an frugal number, since it uses more digits than its factorization.

135759087025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 135759087025 in words is "one hundred thirty-five billion, seven hundred fifty-nine million, eighty-seven thousand, twenty-five".