137741861697731 has 2 divisors, whose sum is σ = 137741861697732. Its totient is φ = 137741861697730.

The previous prime is 137741861697701. The next prime is 137741861697809. The reversal of 137741861697731 is 137796168147731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137741861697731 - 2¹⁸ = 137741861435587 is a prime.

It is a super-2 number, since 2×137741861697731² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137741861697701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68870930848865 + 68870930848866.

It is an arithmetic number, because the mean of its divisors is an integer number (68870930848866).

Almost surely, 2^{137741861697731} is an apocalyptic number.

137741861697731 is a deficient number, since it is larger than the sum of its proper divisors (1).

137741861697731 is an equidigital number, since it uses as much as digits as its factorization.

137741861697731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224042112, while the sum is 71.

The spelling of 137741861697731 in words is "one hundred thirty-seven trillion, seven hundred forty-one billion, eight hundred sixty-one million, six hundred ninety-seven thousand, seven hundred thirty-one".