137764040497 has 2 divisors, whose sum is σ = 137764040498. Its totient is φ = 137764040496.

The previous prime is 137764040389. The next prime is 137764040573. The reversal of 137764040497 is 794040467731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80405706481 + 57358334016 = 283559^2 + 239496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137764040497 is a prime.

It is not a weakly prime, because it can be changed into another prime (137764040597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68882020248 + 68882020249.

It is an arithmetic number, because the mean of its divisors is an integer number (68882020249).

Almost surely, 2^137764040497 is an apocalyptic number.

It is an amenable number.

137764040497 is a deficient number, since it is larger than the sum of its proper divisors (1).

137764040497 is an equidigital number, since it uses as much as digits as its factorization.

137764040497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 137764040497 in words is "one hundred thirty-seven billion, seven hundred sixty-four million, forty thousand, four hundred ninety-seven".