239956147 has 2 divisors, whose sum is σ = 239956148. Its totient is φ = 239956146.

The previous prime is 239956097. The next prime is 239956169. The reversal of 239956147 is 741659932.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 239956147 - 2⁷ = 239956019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 239956097 and 239956106.

It is not a weakly prime, because it can be changed into another prime (239956177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119978073 + 119978074.

It is an arithmetic number, because the mean of its divisors is an integer number (119978074).

Almost surely, 2^239956147 is an apocalyptic number.

239956147 is a deficient number, since it is larger than the sum of its proper divisors (1).

239956147 is an equidigital number, since it uses as much as digits as its factorization.

239956147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 46.

The square root of 239956147 is about 15490.5179706813. The cubic root of 239956147 is about 621.4086484777.

The spelling of 239956147 in words is "two hundred thirty-nine million, nine hundred fifty-six thousand, one hundred forty-seven".