1363143 has 8 divisors (see below), whose sum is σ = 1859968. Its totient is φ = 887544.

The previous prime is 1363139. The next prime is 1363151. The reversal of 1363143 is 3413631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1363143 - 2² = 1363139 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 (1363133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5155 + ... + 5412.

It is an arithmetic number, because the mean of its divisors is an integer number (232496).

2^1363143 is an apocalyptic number.

1363143 is a deficient number, since it is larger than the sum of its proper divisors (496825).

1363143 is a wasteful number, since it uses less digits than its factorization.

1363143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10613.

The product of its digits is 648, while the sum is 21.

The square root of 1363143 is about 1167.5371514432. The cubic root of 1363143 is about 110.8784482260.

Adding to 1363143 its reverse (3413631), we get a palindrome (4776774).

The spelling of 1363143 in words is "one million, three hundred sixty-three thousand, one hundred forty-three".