138762242065268 has 24 divisors (see below), whose sum is σ = 255914322037920. Its totient is φ = 65652426214560.

The previous prime is 138762242065267. The next prime is 138762242065301. The reversal of 138762242065268 is 862560242267831.

It is a self number, because there is not a number n which added to its sum of digits gives 138762242065268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138762242065267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070169038 + ... + 1070298693.

It is an arithmetic number, because the mean of its divisors is an integer number (10663096751580).

Almost surely, 2^{138762242065268} is an apocalyptic number.

It is an amenable number.

138762242065268 is a deficient number, since it is larger than the sum of its proper divisors (117152079972652).

138762242065268 is a wasteful number, since it uses less digits than its factorization.

138762242065268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140468607 (or 2140468605 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 62.

The spelling of 138762242065268 in words is "one hundred thirty-eight trillion, seven hundred sixty-two billion, two hundred forty-two million, sixty-five thousand, two hundred sixty-eight".