138762775141 has 4 divisors (see below), whose sum is σ = 138769593984. Its totient is φ = 138755956300.

The previous prime is 138762775139. The next prime is 138762775159. The reversal of 138762775141 is 141577267831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 138762775141 - 2¹ = 138762775139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138762775181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3378805 + ... + 3419626.

It is an arithmetic number, because the mean of its divisors is an integer number (34692398496).

Almost surely, 2^138762775141 is an apocalyptic number.

It is an amenable number.

138762775141 is a deficient number, since it is larger than the sum of its proper divisors (6818843).

138762775141 is an equidigital number, since it uses as much as digits as its factorization.

138762775141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818842.

The product of its digits is 1975680, while the sum is 52.

The spelling of 138762775141 in words is "one hundred thirty-eight billion, seven hundred sixty-two million, seven hundred seventy-five thousand, one hundred forty-one".