136550074657 has 2 divisors, whose sum is σ = 136550074658. Its totient is φ = 136550074656.

The previous prime is 136550074651. The next prime is 136550074669. The reversal of 136550074657 is 756470055631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130887662656 + 5662412001 = 361784^2 + 75249^2 .

It is a cyclic number.

It is not a de Polignac number, because 136550074657 - 2³ = 136550074649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136550074657.

It is not a weakly prime, because it can be changed into another prime (136550074651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68275037328 + 68275037329.

It is an arithmetic number, because the mean of its divisors is an integer number (68275037329).

Almost surely, 2^136550074657 is an apocalyptic number.

It is an amenable number.

136550074657 is a deficient number, since it is larger than the sum of its proper divisors (1).

136550074657 is an equidigital number, since it uses as much as digits as its factorization.

136550074657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 136550074657 in words is "one hundred thirty-six billion, five hundred fifty million, seventy-four thousand, six hundred fifty-seven".