135152585 has 4 divisors (see below), whose sum is σ = 162183108. Its totient is φ = 108122064.

The previous prime is 135152573. The next prime is 135152603. The reversal of 135152585 is 585251531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62425801 + 72726784 = 7901^2 + 8528^2 .

It is a cyclic number.

It is not a de Polignac number, because 135152585 - 2¹⁰ = 135151561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13515254 + ... + 13515263.

It is an arithmetic number, because the mean of its divisors is an integer number (40545777).

Almost surely, 2^135152585 is an apocalyptic number.

It is an amenable number.

135152585 is a deficient number, since it is larger than the sum of its proper divisors (27030523).

135152585 is an equidigital number, since it uses as much as digits as its factorization.

135152585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27030522.

The product of its digits is 30000, while the sum is 35.

The square root of 135152585 is about 11625.5143972213. The cubic root of 135152585 is about 513.1859828477.

The spelling of 135152585 in words is "one hundred thirty-five million, one hundred fifty-two thousand, five hundred eighty-five".