136589825 has 6 divisors (see below), whose sum is σ = 169371414. Its totient is φ = 109271840.

The previous prime is 136589809. The next prime is 136589857. The reversal of 136589825 is 528985631.

It can be written as a sum of positive squares in 3 ways, for example, as 5166529 + 131423296 = 2273^2 + 11464^2 .

It is not a de Polignac number, because 136589825 - 2⁴ = 136589809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136589825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2731772 + ... + 2731821.

It is an arithmetic number, because the mean of its divisors is an integer number (28228569).

Almost surely, 2^136589825 is an apocalyptic number.

It is an amenable number.

136589825 is a deficient number, since it is larger than the sum of its proper divisors (32781589).

136589825 is an equidigital number, since it uses as much as digits as its factorization.

136589825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5463603 (or 5463598 counting only the distinct ones).

The product of its digits is 518400, while the sum is 47.

The square root of 136589825 is about 11687.1649684601. The cubic root of 136589825 is about 514.9986803623.

The spelling of 136589825 in words is "one hundred thirty-six million, five hundred eighty-nine thousand, eight hundred twenty-five".