1369109 has 6 divisors (see below), whose sum is σ = 1592694. Its totient is φ = 1173480.

The previous prime is 1369103. The next prime is 1369133. The reversal of 1369109 is 9019631.

It can be written as a sum of positive squares in only one way, i.e., 1162084 + 207025 = 1078^2 + 455^2 .

It is not a de Polignac number, because 1369109 - 2¹⁶ = 1303573 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13922 + ... + 14019.

It is an arithmetic number, because the mean of its divisors is an integer number (265449).

2^1369109 is an apocalyptic number.

It is an amenable number.

1369109 is a deficient number, since it is larger than the sum of its proper divisors (223585).

1369109 is an equidigital number, since it uses as much as digits as its factorization.

1369109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27955 (or 27948 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1369109 is about 1170.0893128304. The cubic root of 1369109 is about 111.0399715362.

The spelling of 1369109 in words is "one million, three hundred sixty-nine thousand, one hundred nine".