133011264 has 56 divisors (see below), whose sum is σ = 372636288. Its totient is φ = 41728000.

The previous prime is 133011259. The next prime is 133011271. The reversal of 133011264 is 462110331.

It is a self number, because there is not a number n which added to its sum of digits gives 133011264.

It is a congruent number.

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, 17112 + ... + 23639.

Almost surely, 2^133011264 is an apocalyptic number.

It is an amenable number.

133011264 is an abundant number, since it is smaller than the sum of its proper divisors (239625024).

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

133011264 is a wasteful number, since it uses less digits than its factorization.

133011264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40783 (or 40773 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 133011264 is about 11533.0509406661. The cubic root of 133011264 is about 510.4612820028.

Adding to 133011264 its reverse (462110331), we get a palindrome (595121595).

The spelling of 133011264 in words is "one hundred thirty-three million, eleven thousand, two hundred sixty-four".