107861939 has 8 divisors (see below), whose sum is σ = 111894720. Its totient is φ = 103896000.

The previous prime is 107861921. The next prime is 107861947. The reversal of 107861939 is 939168701.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107861939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107861939.

It is not an unprimeable number, because it can be changed into a prime (107861959) 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, 13412 + ... + 19889.

It is an arithmetic number, because the mean of its divisors is an integer number (13986840).

Almost surely, 2^107861939 is an apocalyptic number.

107861939 is a deficient number, since it is larger than the sum of its proper divisors (4032781).

107861939 is an equidigital number, since it uses as much as digits as its factorization.

107861939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33421.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 107861939 is about 10385.6602582599. The cubic root of 107861939 is about 476.0173048225.

The spelling of 107861939 in words is "one hundred seven million, eight hundred sixty-one thousand, nine hundred thirty-nine".