1340143200 has 216 divisors, whose sum is σ = 5155591896. Its totient is φ = 324864000.

The previous prime is 1340143193. The next prime is 1340143223. The reversal of 1340143200 is 23410431.

1340143200 is a `hidden beast` number, since 1 + 340 + 1 + 4 + 320 + 0 = 666.

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 35 ways as a sum of consecutive naturals, for example, 70740 + ... + 87660.

It is an arithmetic number, because the mean of its divisors is an integer number (23868481).

Almost surely, 2^1340143200 is an apocalyptic number.

1340143200 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 1340143200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2577795948).

1340143200 is an abundant number, since it is smaller than the sum of its proper divisors (3815448696).

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

1340143200 is a wasteful number, since it uses less digits than its factorization.

1340143200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16958 (or 16942 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1340143200 is about 36607.9663461384. The cubic root of 1340143200 is about 1102.5130422509.

Adding to 1340143200 its reverse (23410431), we get a palindrome (1363553631).

The spelling of 1340143200 in words is "one billion, three hundred forty million, one hundred forty-three thousand, two hundred".