1340143324 has 24 divisors (see below), whose sum is σ = 2534303520. Its totient is φ = 616409664.

The previous prime is 1340143309. The next prime is 1340143327. The reversal of 1340143324 is 4233410431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340143327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28744 + ... + 59215.

It is an arithmetic number, because the mean of its divisors is an integer number (105595980).

Almost surely, 2^1340143324 is an apocalyptic number.

It is an amenable number.

1340143324 is a deficient number, since it is larger than the sum of its proper divisors (1194160196).

1340143324 is a wasteful number, since it uses less digits than its factorization.

1340143324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88269 (or 88267 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1340143324 is about 36607.9680397588. The cubic root of 1340143324 is about 1102.5130762551.

Adding to 1340143324 its reverse (4233410431), we get a palindrome (5573553755).

The spelling of 1340143324 in words is "one billion, three hundred forty million, one hundred forty-three thousand, three hundred twenty-four".