137650126247 has 2 divisors, whose sum is σ = 137650126248. Its totient is φ = 137650126246.

The previous prime is 137650126217. The next prime is 137650126297. The reversal of 137650126247 is 742621056731.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (742621056731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137650126247 - 2¹⁶ = 137650060711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137650126198 and 137650126207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137650126217) 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, 68825063123 + 68825063124.

It is an arithmetic number, because the mean of its divisors is an integer number (68825063124).

Almost surely, 2^137650126247 is an apocalyptic number.

137650126247 is a deficient number, since it is larger than the sum of its proper divisors (1).

137650126247 is an equidigital number, since it uses as much as digits as its factorization.

137650126247 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 44.

The spelling of 137650126247 in words is "one hundred thirty-seven billion, six hundred fifty million, one hundred twenty-six thousand, two hundred forty-seven".