268265129 has 16 divisors (see below), whose sum is σ = 298403520. Its totient is φ = 239112000.

The previous prime is 268265111. The next prime is 268265131. The reversal of 268265129 is 921562862.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268265129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (268265149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362642 + ... + 363380.

It is an arithmetic number, because the mean of its divisors is an integer number (18650220).

Almost surely, 2^268265129 is an apocalyptic number.

It is an amenable number.

268265129 is a deficient number, since it is larger than the sum of its proper divisors (30138391).

268265129 is a wasteful number, since it uses less digits than its factorization.

268265129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352.

The product of its digits is 103680, while the sum is 41.

The square root of 268265129 is about 16378.8012076586. The cubic root of 268265129 is about 644.9431105805.

The spelling of 268265129 in words is "two hundred sixty-eight million, two hundred sixty-five thousand, one hundred twenty-nine".