1340034143 has 8 divisors (see below), whose sum is σ = 1572858912. Its totient is φ = 1117557216.

The previous prime is 1340034133. The next prime is 1340034161. The reversal of 1340034143 is 3414300431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340034143 - 2⁶ = 1340034079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340034133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2586680 + ... + 2587197.

It is an arithmetic number, because the mean of its divisors is an integer number (196607364).

Almost surely, 2^1340034143 is an apocalyptic number.

1340034143 is a deficient number, since it is larger than the sum of its proper divisors (232824769).

1340034143 is an equidigital number, since it uses as much as digits as its factorization.

1340034143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173921.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1340034143 is about 36606.4767903168. The cubic root of 1340034143 is about 1102.4831349926.

Adding to 1340034143 its reverse (3414300431), we get a palindrome (4754334574).

The spelling of 1340034143 in words is "one billion, three hundred forty million, thirty-four thousand, one hundred forty-three".