39143 has 4 divisors (see below), whose sum is σ = 42168. Its totient is φ = 36120.

The previous prime is 39139. The next prime is 39157. The reversal of 39143 is 34193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34193 = 31 ⋅1103.

It is a cyclic number.

It is not a de Polignac number, because 39143 - 2² = 39139 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 (39103) 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, 1493 + ... + 1518.

It is an arithmetic number, because the mean of its divisors is an integer number (10542).

2³⁹¹⁴³ is an apocalyptic number.

39143 is a deficient number, since it is larger than the sum of its proper divisors (3025).

39143 is a wasteful number, since it uses less digits than its factorization.

39143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024.

The product of its digits is 324, while the sum is 20.

The square root of 39143 is about 197.8458996290. The cubic root of 39143 is about 33.9535120141.

Subtracting from 39143 its reverse (34193), we obtain a triangular number (4950 = T₉₉).

It can be divided in two parts, 391 and 43, that added together give a palindrome (434).

The spelling of 39143 in words is "thirty-nine thousand, one hundred forty-three".