268152439 has 2 divisors, whose sum is σ = 268152440. Its totient is φ = 268152438.

The previous prime is 268152383. The next prime is 268152487. The reversal of 268152439 is 934251862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268152439 - 2¹⁷ = 268021367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268152739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134076219 + 134076220.

It is an arithmetic number, because the mean of its divisors is an integer number (134076220).

Almost surely, 2^268152439 is an apocalyptic number.

268152439 is a deficient number, since it is larger than the sum of its proper divisors (1).

268152439 is an equidigital number, since it uses as much as digits as its factorization.

268152439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 268152439 is about 16375.3607288511. The cubic root of 268152439 is about 644.8527909547.

The spelling of 268152439 in words is "two hundred sixty-eight million, one hundred fifty-two thousand, four hundred thirty-nine".