1369000000 has 147 divisors (see below), whose sum is σ = 3489974859. Its totient is φ = 532800000.

The previous prime is 1368999979. The next prime is 1369000007. The reversal of 1369000000 is 9631.

The square root of 1369000000 is 37000.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 10 ways, for example, as 1367816256 + 1183744 = 36984^2 + 1088^2 .

It is a super-2 number, since 2×1369000000² = 3748322000000000000, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1369000007) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 36999982 + ... + 37000018.

Almost surely, 2^1369000000 is an apocalyptic number.

1369000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1369000000 is the 37000-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369000000

1369000000 is an abundant number, since it is smaller than the sum of its proper divisors (2120974859).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1369000000 is an frugal number, since it uses more digits than its factorization.

1369000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The cubic root of 1369000000 is about 1110.3702468587.

Adding to 1369000000 its reverse (9631), we get a palindrome (1369009631).

The spelling of 1369000000 in words is "one billion, three hundred sixty-nine million", and thus it is an aban number.