1940108543 has 8 divisors (see below), whose sum is σ = 1961015280. Its totient is φ = 1919220480.

The previous prime is 1940108537. The next prime is 1940108609. The reversal of 1940108543 is 3458010491.

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

It is a cyclic number.

It is not a de Polignac number, because 1940108543 - 2²⁴ = 1923331327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940108243) 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, 332828 + ... + 338606.

It is an arithmetic number, because the mean of its divisors is an integer number (245126910).

Almost surely, 2^1940108543 is an apocalyptic number.

1940108543 is a deficient number, since it is larger than the sum of its proper divisors (20906737).

1940108543 is an equidigital number, since it uses as much as digits as its factorization.

1940108543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1940108543 is about 44046.6632447907. The cubic root of 1940108543 is about 1247.2169642079.

The spelling of 1940108543 in words is "one billion, nine hundred forty million, one hundred eight thousand, five hundred forty-three".