139199 has 2 divisors, whose sum is σ = 139200. Its totient is φ = 139198.

The previous prime is 139187. The next prime is 139201. The reversal of 139199 is 991931.

It is a strong prime.

It is an emirp because it is prime and its reverse (991931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139199 is a prime.

Together with 139201, it forms a pair of twin primes.

It is a Chen prime.

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 139199.

It is not a weakly prime, because it can be changed into another prime (139109) 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, 69599 + 69600.

It is an arithmetic number, because the mean of its divisors is an integer number (69600).

2¹³⁹¹⁹⁹ is an apocalyptic number.

139199 is a deficient number, since it is larger than the sum of its proper divisors (1).

139199 is an equidigital number, since it uses as much as digits as its factorization.

139199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2187, while the sum is 32.

The square root of 139199 is about 373.0938219805. The cubic root of 139199 is about 51.8257232745.

The spelling of 139199 in words is "one hundred thirty-nine thousand, one hundred ninety-nine".