135587225 has 6 divisors (see below), whose sum is σ = 168128190. Its totient is φ = 108469760.

The previous prime is 135587183. The next prime is 135587233. The reversal of 135587225 is 522785531.

It can be written as a sum of positive squares in 3 ways, for example, as 4489 + 135582736 = 67^2 + 11644^2 .

It is not a de Polignac number, because 135587225 - 2⁶ = 135587161 is a prime.

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, 2711720 + ... + 2711769.

It is an arithmetic number, because the mean of its divisors is an integer number (28021365).

Almost surely, 2^135587225 is an apocalyptic number.

It is an amenable number.

135587225 is a deficient number, since it is larger than the sum of its proper divisors (32540965).

135587225 is an equidigital number, since it uses as much as digits as its factorization.

135587225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423499 (or 5423494 counting only the distinct ones).

The product of its digits is 84000, while the sum is 38.

The square root of 135587225 is about 11644.1927586244. The cubic root of 135587225 is about 513.7355159968.

The spelling of 135587225 in words is "one hundred thirty-five million, five hundred eighty-seven thousand, two hundred twenty-five".