135596025 has 60 divisors (see below), whose sum is σ = 259944300. Its totient is φ = 69793920.

The previous prime is 135596023. The next prime is 135596047. The reversal of 135596025 is 520695531.

It can be written as a sum of positive squares in 6 ways, for example, as 385641 + 135210384 = 621^2 + 11628^2 .

It is not a de Polignac number, because 135596025 - 2¹ = 135596023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135596023) 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 59 ways as a sum of consecutive naturals, for example, 57571 + ... + 59879.

It is an arithmetic number, because the mean of its divisors is an integer number (4332405).

Almost surely, 2^135596025 is an apocalyptic number.

135596025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135596025 is a deficient number, since it is larger than the sum of its proper divisors (124348275).

135596025 is a wasteful number, since it uses less digits than its factorization.

135596025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 135596025 is about 11644.5706232561. The cubic root of 135596025 is about 513.7466300594.

The spelling of 135596025 in words is "one hundred thirty-five million, five hundred ninety-six thousand, twenty-five".