1316143 has 2 divisors, whose sum is σ = 1316144. Its totient is φ = 1316142.

The previous prime is 1316099. The next prime is 1316177. The reversal of 1316143 is 3416131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1316143 - 2¹³ = 1307951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1316143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658071 + 658072.

It is an arithmetic number, because the mean of its divisors is an integer number (658072).

2^1316143 is an apocalyptic number.

1316143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316143 is an equidigital number, since it uses as much as digits as its factorization.

1316143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 1316143 is about 1147.2327575518. The cubic root of 1316143 is about 109.5891838919.

The spelling of 1316143 in words is "one million, three hundred sixteen thousand, one hundred forty-three".