266265136 has 10 divisors (see below), whose sum is σ = 515888732. Its totient is φ = 133132560.

The previous prime is 266265119. The next prime is 266265137. The reversal of 266265136 is 631562662.

It is a junction number, because it is equal to n+sod(n) for n = 266265095 and 266265104.

It is not an unprimeable number, because it can be changed into a prime (266265137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8320770 + ... + 8320801.

Almost surely, 2^266265136 is an apocalyptic number.

It is an amenable number.

266265136 is a deficient number, since it is larger than the sum of its proper divisors (249623596).

266265136 is a wasteful number, since it uses less digits than its factorization.

266265136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16641579 (or 16641573 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 266265136 is about 16317.6326714386. The cubic root of 266265136 is about 643.3363661223.

The spelling of 266265136 in words is "two hundred sixty-six million, two hundred sixty-five thousand, one hundred thirty-six".