108136727843 has 4 divisors (see below), whose sum is σ = 108761795808. Its totient is φ = 107511659880.

The previous prime is 108136727773. The next prime is 108136727861. The reversal of 108136727843 is 348727631801.

It is a happy number.

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 108136727843 - 2³⁴ = 90956858659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108136727791 and 108136727800.

It is not an unprimeable number, because it can be changed into a prime (108136727863) 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, 312533723 + ... + 312534068.

It is an arithmetic number, because the mean of its divisors is an integer number (27190448952).

Almost surely, 2^108136727843 is an apocalyptic number.

108136727843 is a deficient number, since it is larger than the sum of its proper divisors (625067965).

108136727843 is an equidigital number, since it uses as much as digits as its factorization.

108136727843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625067964.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 108136727843 in words is "one hundred eight billion, one hundred thirty-six million, seven hundred twenty-seven thousand, eight hundred forty-three".