138543702370140 has 48 divisors (see below), whose sum is σ = 388461897169920. Its totient is φ = 36893603438400.

The previous prime is 138543702370027. The next prime is 138543702370187. The reversal of 138543702370140 is 41073207345831.

It is a self number, because there is not a number n which added to its sum of digits gives 138543702370140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1605702136 + ... + 1605788415.

It is an arithmetic number, because the mean of its divisors is an integer number (8092956191040).

Almost surely, 2^{138543702370140} is an apocalyptic number.

138543702370140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138543702370140 is an abundant number, since it is smaller than the sum of its proper divisors (249918194799780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138543702370140 is a wasteful number, since it uses less digits than its factorization.

138543702370140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211491282 (or 3211491280 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 138543702370140 in words is "one hundred thirty-eight trillion, five hundred forty-three billion, seven hundred two million, three hundred seventy thousand, one hundred forty".