138179 has 2 divisors, whose sum is σ = 138180. Its totient is φ = 138178.

The previous prime is 138163. The next prime is 138181. The reversal of 138179 is 971831.

138179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138179 - 2⁴ = 138163 is a prime.

It is a Sophie Germain prime.

Together with 138181, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 7.

It is not a weakly prime, because it can be changed into another prime (138139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69089 + 69090.

It is an arithmetic number, because the mean of its divisors is an integer number (69090).

2¹³⁸¹⁷⁹ is an apocalyptic number.

138179 is a deficient number, since it is larger than the sum of its proper divisors (1).

138179 is an equidigital number, since it uses as much as digits as its factorization.

138179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 29.

The square root of 138179 is about 371.7243602456. The cubic root of 138179 is about 51.6988260879.

It can be divided in two parts, 13 and 8179, that added together give a 13-th power (8192 = 2¹³).

The spelling of 138179 in words is "one hundred thirty-eight thousand, one hundred seventy-nine".