138066780141 has 12 divisors (see below), whose sum is σ = 209926098720. Its totient is φ = 87200071560.

The previous prime is 138066780133. The next prime is 138066780191. The reversal of 138066780141 is 141087660831.

138066780141 is a `hidden beast` number, since 1 + 380 + 66 + 78 + 0 + 141 = 666.

It is not a de Polignac number, because 138066780141 - 2³ = 138066780133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138066780121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403703865 + ... + 403704206.

It is an arithmetic number, because the mean of its divisors is an integer number (17493841560).

Almost surely, 2^138066780141 is an apocalyptic number.

It is an amenable number.

138066780141 is a deficient number, since it is larger than the sum of its proper divisors (71859318579).

138066780141 is a wasteful number, since it uses less digits than its factorization.

138066780141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807408096 (or 807408093 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 138066780141 in words is "one hundred thirty-eight billion, sixty-six million, seven hundred eighty thousand, one hundred forty-one".