138079141 has 2 divisors, whose sum is σ = 138079142. Its totient is φ = 138079140.

The previous prime is 138079133. The next prime is 138079157. The reversal of 138079141 is 141970831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138062500 + 16641 = 11750^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 138079141 - 2³ = 138079133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138079097 and 138079106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138079111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69039570 + 69039571.

It is an arithmetic number, because the mean of its divisors is an integer number (69039571).

Almost surely, 2^138079141 is an apocalyptic number.

It is an amenable number.

138079141 is a deficient number, since it is larger than the sum of its proper divisors (1).

138079141 is an equidigital number, since it uses as much as digits as its factorization.

138079141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 138079141 is about 11750.7081063228. The cubic root of 138079141 is about 516.8636920901.

The spelling of 138079141 in words is "one hundred thirty-eight million, seventy-nine thousand, one hundred forty-one".