139737145435297 has 2 divisors, whose sum is σ = 139737145435298. Its totient is φ = 139737145435296.

The previous prime is 139737145435267. The next prime is 139737145435301. The reversal of 139737145435297 is 792534541737931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122783042724001 + 16954102711296 = 11080751^2 + 4117536^2 .

It is an emirp because it is prime and its reverse (792534541737931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139737145435297 - 2³¹ = 139734997951649 is a prime.

It is a super-2 number, since 2×139737145435297² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (139737145435267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69868572717648 + 69868572717649.

It is an arithmetic number, because the mean of its divisors is an integer number (69868572717649).

Almost surely, 2^{139737145435297} is an apocalyptic number.

It is an amenable number.

139737145435297 is a deficient number, since it is larger than the sum of its proper divisors (1).

139737145435297 is an equidigital number, since it uses as much as digits as its factorization.

139737145435297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600112800, while the sum is 70.

The spelling of 139737145435297 in words is "one hundred thirty-nine trillion, seven hundred thirty-seven billion, one hundred forty-five million, four hundred thirty-five thousand, two hundred ninety-seven".