138067140377 has 2 divisors, whose sum is σ = 138067140378. Its totient is φ = 138067140376.

The previous prime is 138067140361. The next prime is 138067140467. The reversal of 138067140377 is 773041760831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100562557456 + 37504582921 = 317116^2 + 193661^2 .

It is a cyclic number.

It is not a de Polignac number, because 138067140377 - 2⁴ = 138067140361 is a prime.

It is not a weakly prime, because it can be changed into another prime (138067140677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69033570188 + 69033570189.

It is an arithmetic number, because the mean of its divisors is an integer number (69033570189).

Almost surely, 2^138067140377 is an apocalyptic number.

It is an amenable number.

138067140377 is a deficient number, since it is larger than the sum of its proper divisors (1).

138067140377 is an equidigital number, since it uses as much as digits as its factorization.

138067140377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 138067140377 in words is "one hundred thirty-eight billion, sixty-seven million, one hundred forty thousand, three hundred seventy-seven".