239147 has 2 divisors, whose sum is σ = 239148. Its totient is φ = 239146.

The previous prime is 239137. The next prime is 239167. The reversal of 239147 is 741932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 239147 - 2¹² = 235051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (239137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119573 + 119574.

It is an arithmetic number, because the mean of its divisors is an integer number (119574).

2²³⁹¹⁴⁷ is an apocalyptic number.

239147 is a deficient number, since it is larger than the sum of its proper divisors (1).

239147 is an equidigital number, since it uses as much as digits as its factorization.

239147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The square root of 239147 is about 489.0265841445. The cubic root of 239147 is about 62.0709385743.

Subtracting from 239147 its sum of digits (26), we obtain a square (239121 = 489²).

The spelling of 239147 in words is "two hundred thirty-nine thousand, one hundred forty-seven".