266134928 has 20 divisors (see below), whose sum is σ = 515948748. Its totient is φ = 132986880.

The previous prime is 266134927. The next prime is 266134951. The reversal of 266134928 is 829431662.

It can be written as a sum of positive squares in 2 ways, for example, as 57274624 + 208860304 = 7568^2 + 14452^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (266134927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29300 + ... + 37292.

Almost surely, 2^266134928 is an apocalyptic number.

It is an amenable number.

266134928 is a deficient number, since it is larger than the sum of its proper divisors (249813820).

266134928 is a wasteful number, since it uses less digits than its factorization.

266134928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10082 (or 10076 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 266134928 is about 16313.6423891172. The cubic root of 266134928 is about 643.2314816938.

The spelling of 266134928 in words is "two hundred sixty-six million, one hundred thirty-four thousand, nine hundred twenty-eight".