108739 has 2 divisors, whose sum is σ = 108740. Its totient is φ = 108738.

The previous prime is 108727. The next prime is 108751. The reversal of 108739 is 937801.

It is a balanced prime because it is at equal distance from previous prime (108727) and next prime (108751).

It is an emirp because it is prime and its reverse (937801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108739 - 2⁵ = 108707 is a prime.

It is an Ulam number.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (108709) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54369 + 54370.

It is an arithmetic number, because the mean of its divisors is an integer number (54370).

2¹⁰⁸⁷³⁹ is an apocalyptic number.

108739 is a deficient number, since it is larger than the sum of its proper divisors (1).

108739 is an equidigital number, since it uses as much as digits as its factorization.

108739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 108739 is about 329.7559703781. The cubic root of 108739 is about 47.7304041373.

The spelling of 108739 in words is "one hundred eight thousand, seven hundred thirty-nine".