1369283309 has 8 divisors (see below), whose sum is σ = 1489014648. Its totient is φ = 1253905920.

The previous prime is 1369283257. The next prime is 1369283413. The reversal of 1369283309 is 9033829631.

1369283309 = T₁₃₁ + T₁₃₂ + ... + T₂₀₁₇.

It can be written as a sum of positive squares in 4 ways, for example, as 1126609225 + 242674084 = 33565^2 + 15578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1369283309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1369283309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369283009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087832 + ... + 1089089.

It is an arithmetic number, because the mean of its divisors is an integer number (186126831).

Almost surely, 2^1369283309 is an apocalyptic number.

It is an amenable number.

1369283309 is a deficient number, since it is larger than the sum of its proper divisors (119731339).

1369283309 is a wasteful number, since it uses less digits than its factorization.

1369283309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176975.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 1369283309 is about 37003.8283019474. The cubic root of 1369283309 is about 1110.4468371159.

The spelling of 1369283309 in words is "one billion, three hundred sixty-nine million, two hundred eighty-three thousand, three hundred nine".