142139303 has 2 divisors, whose sum is σ = 142139304. Its totient is φ = 142139302.

The previous prime is 142139267. The next prime is 142139317. The reversal of 142139303 is 303931241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142139303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142139383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71069651 + 71069652.

It is an arithmetic number, because the mean of its divisors is an integer number (71069652).

Almost surely, 2^142139303 is an apocalyptic number.

142139303 is a deficient number, since it is larger than the sum of its proper divisors (1).

142139303 is an equidigital number, since it uses as much as digits as its factorization.

142139303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 142139303 is about 11922.2188790510. The cubic root of 142139303 is about 521.8808893786.

The spelling of 142139303 in words is "one hundred forty-two million, one hundred thirty-nine thousand, three hundred three".