126567800137 has 2 divisors, whose sum is σ = 126567800138. Its totient is φ = 126567800136.

The previous prime is 126567800131. The next prime is 126567800167. The reversal of 126567800137 is 731008765621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116901764281 + 9666035856 = 341909^2 + 98316^2 .

It is a cyclic number.

It is not a de Polignac number, because 126567800137 - 2¹⁵ = 126567767369 is a prime.

It is not a weakly prime, because it can be changed into another prime (126567800131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63283900068 + 63283900069.

It is an arithmetic number, because the mean of its divisors is an integer number (63283900069).

Almost surely, 2^126567800137 is an apocalyptic number.

It is an amenable number.

126567800137 is a deficient number, since it is larger than the sum of its proper divisors (1).

126567800137 is an equidigital number, since it uses as much as digits as its factorization.

126567800137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 126567800137 in words is "one hundred twenty-six billion, five hundred sixty-seven million, eight hundred thousand, one hundred thirty-seven".