1375731143 has 8 divisors (see below), whose sum is σ = 1399628160. Its totient is φ = 1351853560.

The previous prime is 1375731101. The next prime is 1375731169. The reversal of 1375731143 is 3411375731.

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 1375731143 - 2⁸ = 1375730887 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 (1375731173) 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 7 ways as a sum of consecutive naturals, for example, 279998 + ... + 284868.

It is an arithmetic number, because the mean of its divisors is an integer number (174953520).

Almost surely, 2^1375731143 is an apocalyptic number.

1375731143 is a deficient number, since it is larger than the sum of its proper divisors (23897017).

1375731143 is an equidigital number, since it uses as much as digits as its factorization.

1375731143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9717.

The product of its digits is 26460, while the sum is 35.

The square root of 1375731143 is about 37090.8498554563. The cubic root of 1375731143 is about 1112.1871070239.

The spelling of 1375731143 in words is "one billion, three hundred seventy-five million, seven hundred thirty-one thousand, one hundred forty-three".