1359909 has 20 divisors (see below), whose sum is σ = 2063776. Its totient is φ = 892296.

The previous prime is 1359901. The next prime is 1359913. The reversal of 1359909 is 9099531.

It is not a de Polignac number, because 1359909 - 2³ = 1359901 is a prime.

It is a Duffinian number.

1359909 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359901) 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 in 19 ways as a sum of consecutive naturals, for example, 8262 + ... + 8424.

2^1359909 is an apocalyptic number.

It is an amenable number.

1359909 is a deficient number, since it is larger than the sum of its proper divisors (703867).

1359909 is a wasteful number, since it uses less digits than its factorization.

1359909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 36.

The square root of 1359909 is about 1166.1513623883. The cubic root of 1359909 is about 110.7906939579.

The spelling of 1359909 in words is "one million, three hundred fifty-nine thousand, nine hundred nine".