1373271143 has 8 divisors (see below), whose sum is σ = 1434679008. Its totient is φ = 1312005024.

The previous prime is 1373271131. The next prime is 1373271167. The reversal of 1373271143 is 3411723731.

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 1373271143 - 2¹⁸ = 1373008999 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 (1373276143) 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 7 ways as a sum of consecutive naturals, for example, 15380 + ... + 54617.

It is an arithmetic number, because the mean of its divisors is an integer number (179334876).

Almost surely, 2^1373271143 is an apocalyptic number.

1373271143 is a deficient number, since it is larger than the sum of its proper divisors (61407865).

1373271143 is an equidigital number, since it uses as much as digits as its factorization.

1373271143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70873.

The product of its digits is 10584, while the sum is 32.

The square root of 1373271143 is about 37057.6732000270. The cubic root of 1373271143 is about 1111.5237960538.

Adding to 1373271143 its reverse (3411723731), we get a palindrome (4784994874).

The spelling of 1373271143 in words is "one billion, three hundred seventy-three million, two hundred seventy-one thousand, one hundred forty-three".