1369000001 has 4 divisors (see below), whose sum is σ = 1369920900. Its totient is φ = 1368079104.

The previous prime is 1368999979. The next prime is 1369000007. The reversal of 1369000001 is 1000009631.

It is a Cunningham number, because it is equal to 37000²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 293094400 + 1075905601 = 17120^2 + 32801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1369000001 is a prime.

It is a super-2 number, since 2×1369000001² = 3748322005476000002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1369000007) 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 3 ways as a sum of consecutive naturals, for example, 458216 + ... + 461193.

It is an arithmetic number, because the mean of its divisors is an integer number (342480225).

Almost surely, 2^1369000001 is an apocalyptic number.

It is an amenable number.

1369000001 is a deficient number, since it is larger than the sum of its proper divisors (920899).

1369000001 is an equidigital number, since it uses as much as digits as its factorization.

1369000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920898.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1369000001 is about 37000.0000135135. Note that the first 4 decimals coincide. The cubic root of 1369000001 is about 1110.3702471290.

Adding to 1369000001 its reverse (1000009631), we get a palindrome (2369009632).

The spelling of 1369000001 in words is "one billion, three hundred sixty-nine million, one", and thus it is an aban number.