108588139 has 4 divisors (see below), whose sum is σ = 118459800. Its totient is φ = 98716480.

The previous prime is 108588101. The next prime is 108588167. The reversal of 108588139 is 931885801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108588139 - 2⁹ = 108587627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108588095 and 108588104.

It is not an unprimeable number, because it can be changed into a prime (108588199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4935814 + ... + 4935835.

It is an arithmetic number, because the mean of its divisors is an integer number (29614950).

Almost surely, 2^108588139 is an apocalyptic number.

108588139 is a deficient number, since it is larger than the sum of its proper divisors (9871661).

108588139 is an equidigital number, since it uses as much as digits as its factorization.

108588139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9871660.

The product of its (nonzero) digits is 69120, while the sum is 43.

The square root of 108588139 is about 10420.5632765221. The cubic root of 108588139 is about 477.0832071106.

The spelling of 108588139 in words is "one hundred eight million, five hundred eighty-eight thousand, one hundred thirty-nine".