266741234 has 4 divisors (see below), whose sum is σ = 400111854. Its totient is φ = 133370616.

The previous prime is 266741231. The next prime is 266741243. The reversal of 266741234 is 432147662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432147662 = 2 ⋅216073831.

It can be written as a sum of positive squares in only one way, i.e., 237006025 + 29735209 = 15395^2 + 5453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 266741194 and 266741203.

It is not an unprimeable number, because it can be changed into a prime (266741231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66685307 + ... + 66685310.

Almost surely, 2^266741234 is an apocalyptic number.

266741234 is a deficient number, since it is larger than the sum of its proper divisors (133370620).

266741234 is a wasteful number, since it uses less digits than its factorization.

266741234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133370619.

The product of its digits is 48384, while the sum is 35.

The square root of 266741234 is about 16332.2146079459. The cubic root of 266741234 is about 643.7195791198.

Adding to 266741234 its reverse (432147662), we get a palindrome (698888896).

The spelling of 266741234 in words is "two hundred sixty-six million, seven hundred forty-one thousand, two hundred thirty-four".