1359143893 has 2 divisors, whose sum is σ = 1359143894. Its totient is φ = 1359143892.

The previous prime is 1359143873. The next prime is 1359143917. The reversal of 1359143893 is 3983419531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 803268964 + 555874929 = 28342^2 + 23577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1359143893 - 2⁹ = 1359143381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1359143833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679571946 + 679571947.

It is an arithmetic number, because the mean of its divisors is an integer number (679571947).

Almost surely, 2^1359143893 is an apocalyptic number.

It is an amenable number.

1359143893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1359143893 is an equidigital number, since it uses as much as digits as its factorization.

1359143893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 46.

The square root of 1359143893 is about 36866.5687717205. The cubic root of 1359143893 is about 1107.6991250917.

The spelling of 1359143893 in words is "one billion, three hundred fifty-nine million, one hundred forty-three thousand, eight hundred ninety-three".