133361264 has 20 divisors (see below), whose sum is σ = 258941760. Its totient is φ = 66537600.

The previous prime is 133361257. The next prime is 133361273. The reversal of 133361264 is 462163331.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1037 + ... + 16364.

It is an arithmetic number, because the mean of its divisors is an integer number (12947088).

Almost surely, 2^133361264 is an apocalyptic number.

It is an amenable number.

133361264 is a deficient number, since it is larger than the sum of its proper divisors (125580496).

133361264 is a wasteful number, since it uses less digits than its factorization.

133361264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17888 (or 17882 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 133361264 is about 11548.2147538050. The cubic root of 133361264 is about 510.9086249940.

The spelling of 133361264 in words is "one hundred thirty-three million, three hundred sixty-one thousand, two hundred sixty-four".