143983139 has 8 divisors (see below), whose sum is σ = 147141360. Its totient is φ = 140841376.

The previous prime is 143983123. The next prime is 143983153. The reversal of 143983139 is 931389341.

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

It is a cyclic number.

It is not a de Polignac number, because 143983139 - 2⁴ = 143983123 is a prime.

It is a super-2 number, since 2×143983139² = 41462288632586642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143983096 and 143983105.

It is not an unprimeable number, because it can be changed into a prime (143983339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14477 + ... + 22305.

It is an arithmetic number, because the mean of its divisors is an integer number (18392670).

Almost surely, 2^143983139 is an apocalyptic number.

143983139 is a deficient number, since it is larger than the sum of its proper divisors (3158221).

143983139 is an equidigital number, since it uses as much as digits as its factorization.

143983139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229.

The product of its digits is 69984, while the sum is 41.

The square root of 143983139 is about 11999.2974377669. The cubic root of 143983139 is about 524.1278204874.

The spelling of 143983139 in words is "one hundred forty-three million, nine hundred eighty-three thousand, one hundred thirty-nine".