1079805139 has 8 divisors (see below), whose sum is σ = 1235591168. Its totient is φ = 924401160.

The previous prime is 1079805071. The next prime is 1079805161. The reversal of 1079805139 is 9315089701.

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 1079805139 - 2⁷ = 1079805011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1079805095 and 1079805104.

It is not an unprimeable number, because it can be changed into a prime (1079805179) 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, 89427 + ... + 100780.

It is an arithmetic number, because the mean of its divisors is an integer number (154448896).

Almost surely, 2^1079805139 is an apocalyptic number.

1079805139 is a deficient number, since it is larger than the sum of its proper divisors (155786029).

1079805139 is an equidigital number, since it uses as much as digits as its factorization.

1079805139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191025.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 1079805139 is about 32860.3886008672. The cubic root of 1079805139 is about 1025.9238591792.

The spelling of 1079805139 in words is "one billion, seventy-nine million, eight hundred five thousand, one hundred thirty-nine".