136044137 has 2 divisors, whose sum is σ = 136044138. Its totient is φ = 136044136.

The previous prime is 136044121. The next prime is 136044157. The reversal of 136044137 is 731440631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68492176 + 67551961 = 8276^2 + 8219^2 .

It is an emirp because it is prime and its reverse (731440631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136044137 - 2⁴ = 136044121 is a prime.

It is not a weakly prime, because it can be changed into another prime (136044107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68022068 + 68022069.

It is an arithmetic number, because the mean of its divisors is an integer number (68022069).

Almost surely, 2^136044137 is an apocalyptic number.

It is an amenable number.

136044137 is a deficient number, since it is larger than the sum of its proper divisors (1).

136044137 is an equidigital number, since it uses as much as digits as its factorization.

136044137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 136044137 is about 11663.7959944437. The cubic root of 136044137 is about 514.3119438085.

Adding to 136044137 its reverse (731440631), we get a palindrome (867484768).

The spelling of 136044137 in words is "one hundred thirty-six million, forty-four thousand, one hundred thirty-seven".