8136770137 has 2 divisors, whose sum is σ = 8136770138. Its totient is φ = 8136770136.

The previous prime is 8136770123. The next prime is 8136770153. The reversal of 8136770137 is 7310776318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6664436496 + 1472333641 = 81636^2 + 38371^2 .

It is a cyclic number.

It is not a de Polignac number, because 8136770137 - 2⁷ = 8136770009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8136770093 and 8136770102.

It is not a weakly prime, because it can be changed into another prime (8136773137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4068385068 + 4068385069.

It is an arithmetic number, because the mean of its divisors is an integer number (4068385069).

Almost surely, 2^8136770137 is an apocalyptic number.

It is an amenable number.

8136770137 is a deficient number, since it is larger than the sum of its proper divisors (1).

8136770137 is an equidigital number, since it uses as much as digits as its factorization.

8136770137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 8136770137 is about 90204.0472318177. The cubic root of 8136770137 is about 2011.3331697450. Note that the first 3 decimals are identical.

The spelling of 8136770137 in words is "eight billion, one hundred thirty-six million, seven hundred seventy thousand, one hundred thirty-seven".