139238 has 8 divisors (see below), whose sum is σ = 227880. Its totient is φ = 63280.

The previous prime is 139201. The next prime is 139241. The reversal of 139238 is 832931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139238.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3143 + ... + 3186.

It is an arithmetic number, because the mean of its divisors is an integer number (28485).

2¹³⁹²³⁸ is an apocalyptic number.

139238 is a deficient number, since it is larger than the sum of its proper divisors (88642).

139238 is a wasteful number, since it uses less digits than its factorization.

139238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342.

The product of its digits is 1296, while the sum is 26.

The square root of 139238 is about 373.1460839939. The cubic root of 139238 is about 51.8305629033.

It can be divided in two parts, 13923 and 8, that added together give a palindrome (13931).

The spelling of 139238 in words is "one hundred thirty-nine thousand, two hundred thirty-eight".