266143234 has 32 divisors (see below), whose sum is σ = 467421696. Its totient is φ = 111283200.

The previous prime is 266143223. The next prime is 266143243. The reversal of 266143234 is 432341662.

It is a junction number, because it is equal to n+sod(n) for n = 266143196 and 266143205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395122 + ... + 395794.

It is an arithmetic number, because the mean of its divisors is an integer number (14606928).

Almost surely, 2^266143234 is an apocalyptic number.

266143234 is a deficient number, since it is larger than the sum of its proper divisors (201278462).

266143234 is a wasteful number, since it uses less digits than its factorization.

266143234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330.

The product of its digits is 20736, while the sum is 31.

The square root of 266143234 is about 16313.8969593411. The cubic root of 266143234 is about 643.2381733184.

Adding to 266143234 its reverse (432341662), we get a palindrome (698484896).

The spelling of 266143234 in words is "two hundred sixty-six million, one hundred forty-three thousand, two hundred thirty-four".