1000340143 has 4 divisors (see below), whose sum is σ = 1091280168. Its totient is φ = 909400120.

The previous prime is 1000340137. The next prime is 1000340167. The reversal of 1000340143 is 3410430001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000340143 - 2¹³ = 1000331951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000340743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45469996 + ... + 45470017.

It is an arithmetic number, because the mean of its divisors is an integer number (272820042).

Almost surely, 2^1000340143 is an apocalyptic number.

1000340143 is a deficient number, since it is larger than the sum of its proper divisors (90940025).

1000340143 is an equidigital number, since it uses as much as digits as its factorization.

1000340143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90940024.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1000340143 is about 31628.1542774788. The cubic root of 1000340143 is about 1000.1133681472.

Adding to 1000340143 its reverse (3410430001), we get a palindrome (4410770144).

It can be divided in two parts, 1000 and 340143, that added together give a palindrome (341143).

The spelling of 1000340143 in words is "one billion, three hundred forty thousand, one hundred forty-three".