138589141 has 2 divisors, whose sum is σ = 138589142. Its totient is φ = 138589140.

The previous prime is 138589111. The next prime is 138589153. The reversal of 138589141 is 141985831.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79744900 + 58844241 = 8930^2 + 7671^2 .

It is a cyclic number.

It is not a de Polignac number, because 138589141 - 2¹⁷ = 138458069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138589094 and 138589103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138589111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69294570 + 69294571.

It is an arithmetic number, because the mean of its divisors is an integer number (69294571).

Almost surely, 2^138589141 is an apocalyptic number.

It is an amenable number.

138589141 is a deficient number, since it is larger than the sum of its proper divisors (1).

138589141 is an equidigital number, since it uses as much as digits as its factorization.

138589141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 40.

The square root of 138589141 is about 11772.3889249379. The cubic root of 138589141 is about 517.4992614364.

The spelling of 138589141 in words is "one hundred thirty-eight million, five hundred eighty-nine thousand, one hundred forty-one".