1093805139 has 16 divisors (see below), whose sum is σ = 1668764160. Its totient is φ = 624276480.

The previous prime is 1093805117. The next prime is 1093805179. The reversal of 1093805139 is 9315083901.

It is not a de Polignac number, because 1093805139 - 2²⁰ = 1092756563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1093805097 and 1093805106.

It is not an unprimeable number, because it can be changed into a prime (1093805179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13422 + ... + 48659.

It is an arithmetic number, because the mean of its divisors is an integer number (104297760).

Almost surely, 2^1093805139 is an apocalyptic number.

1093805139 is a deficient number, since it is larger than the sum of its proper divisors (574959021).

1093805139 is an equidigital number, since it uses as much as digits as its factorization.

1093805139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62930.

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

The square root of 1093805139 is about 33072.7250011244. The cubic root of 1093805139 is about 1030.3386384555.

The spelling of 1093805139 in words is "one billion, ninety-three million, eight hundred five thousand, one hundred thirty-nine".