1002140343 has 20 divisors (see below), whose sum is σ = 1498281048. Its totient is φ = 667532880.

The previous prime is 1002140339. The next prime is 1002140417. The reversal of 1002140343 is 3430412001.

It is not a de Polignac number, because 1002140343 - 2² = 1002140339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002140323) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 106708 + ... + 115718.

Almost surely, 2^1002140343 is an apocalyptic number.

1002140343 is a deficient number, since it is larger than the sum of its proper divisors (496140705).

1002140343 is an equidigital number, since it uses as much as digits as its factorization.

1002140343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10396 (or 10387 counting only the distinct ones).

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

The square root of 1002140343 is about 31656.6003070450. The cubic root of 1002140343 is about 1000.7129392635.

Adding to 1002140343 its reverse (3430412001), we get a palindrome (4432552344).

The spelling of 1002140343 in words is "one billion, two million, one hundred forty thousand, three hundred forty-three".