791139 has 8 divisors (see below), whose sum is σ = 1059520. Its totient is φ = 525096.

The previous prime is 791137. The next prime is 791159. The reversal of 791139 is 931197.

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

It is not a de Polignac number, because 791139 - 2¹ = 791137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791137) 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, 492 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (132440).

2⁷⁹¹¹³⁹ is an apocalyptic number.

791139 is a deficient number, since it is larger than the sum of its proper divisors (268381).

791139 is a wasteful number, since it uses less digits than its factorization.

791139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169.

The product of its digits is 1701, while the sum is 30.

The square root of 791139 is about 889.4599485081. The cubic root of 791139 is about 92.4877607376.

The spelling of 791139 in words is "seven hundred ninety-one thousand, one hundred thirty-nine".