108558139 has 2 divisors, whose sum is σ = 108558140. Its totient is φ = 108558138.

The previous prime is 108558067. The next prime is 108558143. The reversal of 108558139 is 931855801.

It is a strong prime.

It is an emirp because it is prime and its reverse (931855801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108558139 - 2⁷ = 108558011 is a prime.

It is not a weakly prime, because it can be changed into another prime (108558169) 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 as a sum of consecutive naturals, namely, 54279069 + 54279070.

It is an arithmetic number, because the mean of its divisors is an integer number (54279070).

Almost surely, 2^108558139 is an apocalyptic number.

108558139 is a deficient number, since it is larger than the sum of its proper divisors (1).

108558139 is an equidigital number, since it uses as much as digits as its factorization.

108558139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 40.

The square root of 108558139 is about 10419.1237155531. The cubic root of 108558139 is about 477.0392679517.

The spelling of 108558139 in words is "one hundred eight million, five hundred fifty-eight thousand, one hundred thirty-nine".