1139805093 has 8 divisors (see below), whose sum is σ = 1736845888. Its totient is φ = 651317184.

The previous prime is 1139805083. The next prime is 1139805109. The reversal of 1139805093 is 3905089311.

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

It is not a de Polignac number, because 1139805093 - 2¹⁴ = 1139788709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139805013) 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, 27138196 + ... + 27138237.

It is an arithmetic number, because the mean of its divisors is an integer number (217105736).

Almost surely, 2^1139805093 is an apocalyptic number.

It is an amenable number.

1139805093 is a deficient number, since it is larger than the sum of its proper divisors (597040795).

1139805093 is an equidigital number, since it uses as much as digits as its factorization.

1139805093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54276443.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 1139805093 is about 33760.9995853203. Note that the first 3 decimals coincide. The cubic root of 1139805093 is about 1044.5843888052.

The spelling of 1139805093 in words is "one billion, one hundred thirty-nine million, eight hundred five thousand, ninety-three".