1369539 has 12 divisors (see below), whose sum is σ = 2082600. Its totient is φ = 864864.

The previous prime is 1369531. The next prime is 1369541. The reversal of 1369539 is 9359631.

It is not a de Polignac number, because 1369539 - 2³ = 1369531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1369531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3834 + ... + 4175.

It is an arithmetic number, because the mean of its divisors is an integer number (173550).

2^1369539 is an apocalyptic number.

1369539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1369539 is a deficient number, since it is larger than the sum of its proper divisors (713061).

1369539 is a wasteful number, since it uses less digits than its factorization.

1369539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034 (or 8031 counting only the distinct ones).

The product of its digits is 21870, while the sum is 36.

The square root of 1369539 is about 1170.2730450626. The cubic root of 1369539 is about 111.0515952005.

The spelling of 1369539 in words is "one million, three hundred sixty-nine thousand, five hundred thirty-nine".