137741861697781 has 32 divisors (see below), whose sum is σ = 158391623537280. Its totient is φ = 118620395308800.

The previous prime is 137741861697731. The next prime is 137741861697809. The reversal of 137741861697781 is 187796168147731.

It is not a de Polignac number, because 137741861697781 - 2⁹ = 137741861697269 is a prime.

It is a super-2 number, since 2×137741861697781² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137741861697698 and 137741861697707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137741861697701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1189851 + ... + 16640296.

It is an arithmetic number, because the mean of its divisors is an integer number (4949738235540).

Almost surely, 2^{137741861697781} is an apocalyptic number.

137741861697781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

137741861697781 is a deficient number, since it is larger than the sum of its proper divisors (20649761839499).

137741861697781 is a wasteful number, since it uses less digits than its factorization.

137741861697781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17830645.

The product of its digits is 597445632, while the sum is 76.

The spelling of 137741861697781 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 eighty-one".