136242565 has 8 divisors (see below), whose sum is σ = 165019680. Its totient is φ = 107974992.

The previous prime is 136242563. The next prime is 136242571. The reversal of 136242565 is 565242631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136242565 - 2¹ = 136242563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136242565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136242563) 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 7 ways as a sum of consecutive naturals, for example, 126795 + ... + 127864.

It is an arithmetic number, because the mean of its divisors is an integer number (20627460).

Almost surely, 2^136242565 is an apocalyptic number.

It is an amenable number.

136242565 is a deficient number, since it is larger than the sum of its proper divisors (28777115).

136242565 is a wasteful number, since it uses less digits than its factorization.

136242565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254771.

The product of its digits is 43200, while the sum is 34.

The square root of 136242565 is about 11672.2990451753. The cubic root of 136242565 is about 514.5618732693.

The spelling of 136242565 in words is "one hundred thirty-six million, two hundred forty-two thousand, five hundred sixty-five".