1314443143 has 4 divisors (see below), whose sum is σ = 1415554168. Its totient is φ = 1213332120.

The previous prime is 1314443129. The next prime is 1314443147. The reversal of 1314443143 is 3413444131.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1314443143 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 (1314443147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50555493 + ... + 50555518.

It is an arithmetic number, because the mean of its divisors is an integer number (353888542).

Almost surely, 2^1314443143 is an apocalyptic number.

1314443143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1314443143 is a deficient number, since it is larger than the sum of its proper divisors (101111025).

1314443143 is a wasteful number, since it uses less digits than its factorization.

1314443143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101111024.

The product of its digits is 6912, while the sum is 28.

The square root of 1314443143 is about 36255.2498681225. The cubic root of 1314443143 is about 1095.4198380347.

Adding to 1314443143 its reverse (3413444131), we get a palindrome (4727887274).

The spelling of 1314443143 in words is "one billion, three hundred fourteen million, four hundred forty-three thousand, one hundred forty-three".