138179327 has 12 divisors (see below), whose sum is σ = 162501864. Its totient is φ = 115836720.

The previous prime is 138179317. The next prime is 138179333. The reversal of 138179327 is 723971831.

It is not a de Polignac number, because 138179327 - 2⁸ = 138179071 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 (138179317) 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 in 11 ways as a sum of consecutive naturals, for example, 140078 + ... + 141060.

It is an arithmetic number, because the mean of its divisors is an integer number (13541822).

Almost surely, 2^138179327 is an apocalyptic number.

138179327 is a deficient number, since it is larger than the sum of its proper divisors (24322537).

138179327 is an frugal number, since it uses more digits than its factorization.

138179327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990 (or 1007 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 138179327 is about 11754.9703104687. The cubic root of 138179327 is about 516.9886686955.

Adding to 138179327 its product of digits (63504), we get a palindrome (138242831).

It can be divided in two parts, 1381 and 79327, that added together give a palindrome (80708).

The spelling of 138179327 in words is "one hundred thirty-eight million, one hundred seventy-nine thousand, three hundred twenty-seven".