1093908143 has 4 divisors (see below), whose sum is σ = 1094119728. Its totient is φ = 1093696560.

The previous prime is 1093908119. The next prime is 1093908157. The reversal of 1093908143 is 3418093901.

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 1093908143 - 2¹⁰ = 1093907119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1093908097 and 1093908106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093908103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97838 + ... + 108443.

It is an arithmetic number, because the mean of its divisors is an integer number (273529932).

Almost surely, 2^1093908143 is an apocalyptic number.

1093908143 is a deficient number, since it is larger than the sum of its proper divisors (211585).

1093908143 is an equidigital number, since it uses as much as digits as its factorization.

1093908143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211584.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1093908143 is about 33074.2821993161. The cubic root of 1093908143 is about 1030.3709798864.

The spelling of 1093908143 in words is "one billion, ninety-three million, nine hundred eight thousand, one hundred forty-three".