143332139 has 2 divisors, whose sum is σ = 143332140. Its totient is φ = 143332138.

The previous prime is 143332129. The next prime is 143332141. The reversal of 143332139 is 931233341.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (931233341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143332139 - 2²⁰ = 142283563 is a prime.

Together with 143332141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143332129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71666069 + 71666070.

It is an arithmetic number, because the mean of its divisors is an integer number (71666070).

Almost surely, 2^143332139 is an apocalyptic number.

143332139 is a deficient number, since it is larger than the sum of its proper divisors (1).

143332139 is an equidigital number, since it uses as much as digits as its factorization.

143332139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 29.

The square root of 143332139 is about 11972.1401177901. The cubic root of 143332139 is about 523.3367029773.

The spelling of 143332139 in words is "one hundred forty-three million, three hundred thirty-two thousand, one hundred thirty-nine".