136243017 has 12 divisors (see below), whose sum is σ = 197255604. Its totient is φ = 90616320.

The previous prime is 136242973. The next prime is 136243021. The reversal of 136243017 is 710342631.

136243017 is a `hidden beast` number, since 1 + 3 + 624 + 30 + 1 + 7 = 666.

136243017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32936121 + 103306896 = 5739^2 + 10164^2 .

It is not a de Polignac number, because 136243017 - 2⁷ = 136242889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136243057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13584 + ... + 21377.

It is an arithmetic number, because the mean of its divisors is an integer number (16437967).

Almost surely, 2^136243017 is an apocalyptic number.

It is an amenable number.

136243017 is a deficient number, since it is larger than the sum of its proper divisors (61012587).

136243017 is a wasteful number, since it uses less digits than its factorization.

136243017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35400 (or 35397 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 136243017 is about 11672.3184072403. The cubic root of 136243017 is about 514.5624423076.

Adding to 136243017 its reverse (710342631), we get a palindrome (846585648).

It can be divided in two parts, 13624 and 3017, that added together give a square (16641 = 129²).

The spelling of 136243017 in words is "one hundred thirty-six million, two hundred forty-three thousand, seventeen".