108139683 has 8 divisors (see below), whose sum is σ = 144274000. Its totient is φ = 72049248.

The previous prime is 108139679. The next prime is 108139693. The reversal of 108139683 is 386931801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108139683 - 2² = 108139679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108139693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4708 + ... + 15441.

It is an arithmetic number, because the mean of its divisors is an integer number (18034250).

Almost surely, 2^108139683 is an apocalyptic number.

108139683 is a deficient number, since it is larger than the sum of its proper divisors (36134317).

108139683 is a wasteful number, since it uses less digits than its factorization.

108139683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21941.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 108139683 is about 10399.0231752795. The cubic root of 108139683 is about 476.4255354203.

The spelling of 108139683 in words is "one hundred eight million, one hundred thirty-nine thousand, six hundred eighty-three".