1368000000 has 420 divisors, whose sum is σ = 5194855380. Its totient is φ = 345600000.

The previous prime is 1367999999. The next prime is 1368000059. The reversal of 1368000000 is 8631.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 71999991 + ... + 72000009.

Almost surely, 2^1368000000 is an apocalyptic number.

1368000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2597427690).

1368000000 is an abundant number, since it is smaller than the sum of its proper divisors (3826855380).

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

1368000000 is an frugal number, since it uses more digits than its factorization.

1368000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1368000000 is about 36986.4840178139. The cubic root of 1368000000 is about 1110.0998205823.

Adding to 1368000000 its reverse (8631), we get a palindrome (1368008631).

The spelling of 1368000000 in words is "one billion, three hundred sixty-eight million", and thus it is an aban number.