108146939 has 4 divisors (see below), whose sum is σ = 108186000. Its totient is φ = 108107880.

The previous prime is 108146923. The next prime is 108146959. The reversal of 108146939 is 939641801.

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 108146939 - 2⁴ = 108146923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108146896 and 108146905.

It is not an unprimeable number, because it can be changed into a prime (108146959) 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, 15032 + ... + 21029.

It is an arithmetic number, because the mean of its divisors is an integer number (27046500).

Almost surely, 2^108146939 is an apocalyptic number.

108146939 is a deficient number, since it is larger than the sum of its proper divisors (39061).

108146939 is an equidigital number, since it uses as much as digits as its factorization.

108146939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39060.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 108146939 is about 10399.3720483498. The cubic root of 108146939 is about 476.4361909794.

The spelling of 108146939 in words is "one hundred eight million, one hundred forty-six thousand, nine hundred thirty-nine".