137754440566117 has 2 divisors, whose sum is σ = 137754440566118. Its totient is φ = 137754440566116.

The previous prime is 137754440565877. The next prime is 137754440566231. The reversal of 137754440566117 is 711665044457731.

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., 121293966329316 + 16460474236801 = 11013354^2 + 4057151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137754440566117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137754440560117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68877220283058 + 68877220283059.

It is an arithmetic number, because the mean of its divisors is an integer number (68877220283059).

Almost surely, 2^{137754440566117} is an apocalyptic number.

It is an amenable number.

137754440566117 is a deficient number, since it is larger than the sum of its proper divisors (1).

137754440566117 is an equidigital number, since it uses as much as digits as its factorization.

137754440566117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59270400, while the sum is 61.

The spelling of 137754440566117 in words is "one hundred thirty-seven trillion, seven hundred fifty-four billion, four hundred forty million, five hundred sixty-six thousand, one hundred seventeen".