256132339 has 2 divisors, whose sum is σ = 256132340. Its totient is φ = 256132338.

The previous prime is 256132333. The next prime is 256132367. The reversal of 256132339 is 933231652.

256132339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256132339 - 2⁵ = 256132307 is a prime.

It is a super-2 number, since 2×256132339² = 131207550163221842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (256132333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128066169 + 128066170.

It is an arithmetic number, because the mean of its divisors is an integer number (128066170).

Almost surely, 2^256132339 is an apocalyptic number.

256132339 is a deficient number, since it is larger than the sum of its proper divisors (1).

256132339 is an equidigital number, since it uses as much as digits as its factorization.

256132339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 34.

The square root of 256132339 is about 16004.1350594151. The cubic root of 256132339 is about 635.0698160367.

The spelling of 256132339 in words is "two hundred fifty-six million, one hundred thirty-two thousand, three hundred thirty-nine".