137351766193 has 2 divisors, whose sum is σ = 137351766194. Its totient is φ = 137351766192.

The previous prime is 137351766173. The next prime is 137351766241. The reversal of 137351766193 is 391667153731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104321248144 + 33030518049 = 322988^2 + 181743^2 .

It is a cyclic number.

It is not a de Polignac number, because 137351766193 - 2⁵ = 137351766161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137351766193.

It is not a weakly prime, because it can be changed into another prime (137351766103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68675883096 + 68675883097.

It is an arithmetic number, because the mean of its divisors is an integer number (68675883097).

Almost surely, 2^137351766193 is an apocalyptic number.

It is an amenable number.

137351766193 is a deficient number, since it is larger than the sum of its proper divisors (1).

137351766193 is an equidigital number, since it uses as much as digits as its factorization.

137351766193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2143260, while the sum is 52.

The spelling of 137351766193 in words is "one hundred thirty-seven billion, three hundred fifty-one million, seven hundred sixty-six thousand, one hundred ninety-three".