139368 has 16 divisors (see below), whose sum is σ = 348480. Its totient is φ = 46448.

The previous prime is 139367. The next prime is 139369. The reversal of 139368 is 863931.

It is an interprime number because it is at equal distance from previous prime (139367) and next prime (139369).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139368.

It is not an unprimeable number, because it can be changed into a prime (139361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2880 + ... + 2927.

It is an arithmetic number, because the mean of its divisors is an integer number (21780).

2¹³⁹³⁶⁸ is an apocalyptic number.

It is an amenable number.

139368 is an abundant number, since it is smaller than the sum of its proper divisors (209112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139368 is a wasteful number, since it uses less digits than its factorization.

139368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816 (or 5812 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 139368 is about 373.3202378656. The cubic root of 139368 is about 51.8466884755.

The spelling of 139368 in words is "one hundred thirty-nine thousand, three hundred sixty-eight".