136386361 has 2 divisors, whose sum is σ = 136386362. Its totient is φ = 136386360.

The previous prime is 136386353. The next prime is 136386379. The reversal of 136386361 is 163683631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84272400 + 52113961 = 9180^2 + 7219^2 .

It is an emirp because it is prime and its reverse (163683631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136386361 - 2³ = 136386353 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136386361.

It is not a weakly prime, because it can be changed into another prime (136366361) by changing a digit.

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 as a sum of consecutive naturals, namely, 68193180 + 68193181.

It is an arithmetic number, because the mean of its divisors is an integer number (68193181).

Almost surely, 2^136386361 is an apocalyptic number.

It is an amenable number.

136386361 is a deficient number, since it is larger than the sum of its proper divisors (1).

136386361 is an equidigital number, since it uses as much as digits as its factorization.

136386361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 136386361 is about 11678.4571326867. The cubic root of 136386361 is about 514.7428395310.

The spelling of 136386361 in words is "one hundred thirty-six million, three hundred eighty-six thousand, three hundred sixty-one".