1359143 has 4 divisors (see below), whose sum is σ = 1406040. Its totient is φ = 1312248.

The previous prime is 1359097. The next prime is 1359161. The reversal of 1359143 is 3419531.

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

It is a cyclic number.

It is not a de Polignac number, because 1359143 - 2⁸ = 1358887 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 (1359173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23405 + ... + 23462.

It is an arithmetic number, because the mean of its divisors is an integer number (351510).

2^1359143 is an apocalyptic number.

1359143 is a deficient number, since it is larger than the sum of its proper divisors (46897).

1359143 is an equidigital number, since it uses as much as digits as its factorization.

1359143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46896.

The product of its digits is 1620, while the sum is 26.

The square root of 1359143 is about 1165.8228853475. The cubic root of 1359143 is about 110.7698882494.

The spelling of 1359143 in words is "one million, three hundred fifty-nine thousand, one hundred forty-three".