264821136 has 40 divisors (see below), whose sum is σ = 702615744. Its totient is φ = 85887360.

The previous prime is 264821129. The next prime is 264821159. The reversal of 264821136 is 631128462.

264821136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 264821097 and 264821106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72780 + ... + 76331.

Almost surely, 2^264821136 is an apocalyptic number.

It is an amenable number.

264821136 is an abundant number, since it is smaller than the sum of its proper divisors (437794608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264821136 is a wasteful number, since it uses less digits than its factorization.

264821136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149159 (or 149153 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 264821136 is about 16273.3259046822. The cubic root of 264821136 is about 642.1712841567.

Adding to 264821136 its reverse (631128462), we get a palindrome (895949598).

The spelling of 264821136 in words is "two hundred sixty-four million, eight hundred twenty-one thousand, one hundred thirty-six".