137481342464797 has 2 divisors, whose sum is σ = 137481342464798. Its totient is φ = 137481342464796.

The previous prime is 137481342464771. The next prime is 137481342464831. The reversal of 137481342464797 is 797464243184731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75412880715481 + 62068461749316 = 8684059^2 + 7878354^2 .

It is an emirp because it is prime and its reverse (797464243184731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137481342464797 - 2¹¹ = 137481342462749 is a prime.

It is a super-2 number, since 2×137481342464797² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137481342464747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68740671232398 + 68740671232399.

It is an arithmetic number, because the mean of its divisors is an integer number (68740671232399).

Almost surely, 2^{137481342464797} is an apocalyptic number.

It is an amenable number.

137481342464797 is a deficient number, since it is larger than the sum of its proper divisors (1).

137481342464797 is an equidigital number, since it uses as much as digits as its factorization.

137481342464797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 682795008, while the sum is 70.

The spelling of 137481342464797 in words is "one hundred thirty-seven trillion, four hundred eighty-one billion, three hundred forty-two million, four hundred sixty-four thousand, seven hundred ninety-seven".