1579139 has 2 divisors, whose sum is σ = 1579140. Its totient is φ = 1579138.

The previous prime is 1579103. The next prime is 1579141. The reversal of 1579139 is 9319751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1579139 - 2⁸ = 1578883 is a prime.

Together with 1579141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1579099 and 1579108.

It is not a weakly prime, because it can be changed into another prime (1579169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789569 + 789570.

It is an arithmetic number, because the mean of its divisors is an integer number (789570).

2^1579139 is an apocalyptic number.

1579139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1579139 is an equidigital number, since it uses as much as digits as its factorization.

1579139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8505, while the sum is 35.

The square root of 1579139 is about 1256.6379749156. The cubic root of 1579139 is about 116.4501681062.

The spelling of 1579139 in words is "one million, five hundred seventy-nine thousand, one hundred thirty-nine".