239579141 has 2 divisors, whose sum is σ = 239579142. Its totient is φ = 239579140.

The previous prime is 239579111. The next prime is 239579143. The reversal of 239579141 is 141975932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167159041 + 72420100 = 12929^2 + 8510^2 .

It is a cyclic number.

It is not a de Polignac number, because 239579141 - 2¹⁰ = 239578117 is a prime.

Together with 239579143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239579143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119789570 + 119789571.

It is an arithmetic number, because the mean of its divisors is an integer number (119789571).

Almost surely, 2^239579141 is an apocalyptic number.

It is an amenable number.

239579141 is a deficient number, since it is larger than the sum of its proper divisors (1).

239579141 is an equidigital number, since it uses as much as digits as its factorization.

239579141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 239579141 is about 15478.3442589962. The cubic root of 239579141 is about 621.0830367741.

The spelling of 239579141 in words is "two hundred thirty-nine million, five hundred seventy-nine thousand, one hundred forty-one".