1369005329 has 8 divisors (see below), whose sum is σ = 1384992840. Its totient is φ = 1353056256.

The previous prime is 1369005307. The next prime is 1369005343. The reversal of 1369005329 is 9235009631.

It can be written as a sum of positive squares in 4 ways, for example, as 5329 + 1369000000 = 73^2 + 37000^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1369005329 - 2⁸ = 1369005073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1369005292 and 1369005301.

It is not an unprimeable number, because it can be changed into a prime (1369001329) 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, 65417 + ... + 83769.

It is an arithmetic number, because the mean of its divisors is an integer number (173124105).

Almost surely, 2^1369005329 is an apocalyptic number.

It is an amenable number.

1369005329 is a deficient number, since it is larger than the sum of its proper divisors (15987511).

1369005329 is an equidigital number, since it uses as much as digits as its factorization.

1369005329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19219.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 1369005329 is about 37000.0720134434. The cubic root of 1369005329 is about 1110.3716876075.

It can be divided in two parts, 136900 and 5329, that multiplied together give a square (729540100 = 27010²).

The spelling of 1369005329 in words is "one billion, three hundred sixty-nine million, five thousand, three hundred twenty-nine".