1426626137 has 2 divisors, whose sum is σ = 1426626138. Its totient is φ = 1426626136.

The previous prime is 1426626067. The next prime is 1426626181. The reversal of 1426626137 is 7316266241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1197436816 + 229189321 = 34604^2 + 15139^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426626137 - 2⁸ = 1426625881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1426626137.

It is not a weakly prime, because it can be changed into another prime (1426626737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713313068 + 713313069.

It is an arithmetic number, because the mean of its divisors is an integer number (713313069).

Almost surely, 2^1426626137 is an apocalyptic number.

It is an amenable number.

1426626137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426626137 is an equidigital number, since it uses as much as digits as its factorization.

1426626137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 1426626137 is about 37770.7047458741. The cubic root of 1426626137 is about 1125.7364427789.

The spelling of 1426626137 in words is "one billion, four hundred twenty-six million, six hundred twenty-six thousand, one hundred thirty-seven".