136545737 has 2 divisors, whose sum is σ = 136545738. Its totient is φ = 136545736.

The previous prime is 136545727. The next prime is 136545749. The reversal of 136545737 is 737545631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117917881 + 18627856 = 10859^2 + 4316^2 .

It is an emirp because it is prime and its reverse (737545631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136545737 - 2¹⁰ = 136544713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136545694 and 136545703.

It is not a weakly prime, because it can be changed into another prime (136545727) 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, 68272868 + 68272869.

It is an arithmetic number, because the mean of its divisors is an integer number (68272869).

Almost surely, 2^136545737 is an apocalyptic number.

It is an amenable number.

136545737 is a deficient number, since it is larger than the sum of its proper divisors (1).

136545737 is an equidigital number, since it uses as much as digits as its factorization.

136545737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 41.

The square root of 136545737 is about 11685.2786445168. The cubic root of 136545737 is about 514.9432645577.

It can be divided in two parts, 13654 and 5737, that added together give a palindrome (19391).

The spelling of 136545737 in words is "one hundred thirty-six million, five hundred forty-five thousand, seven hundred thirty-seven".