1359539 has 4 divisors (see below), whose sum is σ = 1362720. Its totient is φ = 1356360.

The previous prime is 1359529. The next prime is 1359563. The reversal of 1359539 is 9359531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1359539 - 2⁸ = 1359283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1359499 and 1359508.

It is not an unprimeable number, because it can be changed into a prime (1359509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827 + ... + 1844.

It is an arithmetic number, because the mean of its divisors is an integer number (340680).

2^1359539 is an apocalyptic number.

1359539 is a deficient number, since it is larger than the sum of its proper divisors (3181).

1359539 is an equidigital number, since it uses as much as digits as its factorization.

1359539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180.

The product of its digits is 18225, while the sum is 35.

The square root of 1359539 is about 1165.9927100973. The cubic root of 1359539 is about 110.7806451789.

The spelling of 1359539 in words is "one million, three hundred fifty-nine thousand, five hundred thirty-nine".