136626137 has 2 divisors, whose sum is σ = 136626138. Its totient is φ = 136626136.

The previous prime is 136626121. The next prime is 136626157. The reversal of 136626137 is 731626631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131354521 + 5271616 = 11461^2 + 2296^2 .

It is a cyclic number.

It is not a de Polignac number, because 136626137 - 2⁴ = 136626121 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 136626097 and 136626106.

It is not a weakly prime, because it can be changed into another prime (136626107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68313068 + 68313069.

It is an arithmetic number, because the mean of its divisors is an integer number (68313069).

Almost surely, 2^136626137 is an apocalyptic number.

It is an amenable number.

136626137 is a deficient number, since it is larger than the sum of its proper divisors (1).

136626137 is an equidigital number, since it uses as much as digits as its factorization.

136626137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 136626137 is about 11688.7183643032. The cubic root of 136626137 is about 515.0443132762.

The spelling of 136626137 in words is "one hundred thirty-six million, six hundred twenty-six thousand, one hundred thirty-seven".