133294564 has 12 divisors (see below), whose sum is σ = 251209084. Its totient is φ = 61520544.

The previous prime is 133294559. The next prime is 133294571. The reversal of 133294564 is 465492331.

It can be written as a sum of positive squares in 2 ways, for example, as 74649600 + 58644964 = 8640^2 + 7658^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 1281627 + ... + 1281730.

Almost surely, 2^133294564 is an apocalyptic number.

It is an amenable number.

133294564 is a deficient number, since it is larger than the sum of its proper divisors (117914520).

133294564 is a wasteful number, since it uses less digits than its factorization.

133294564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563374 (or 2563372 counting only the distinct ones).

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

The square root of 133294564 is about 11545.3265003637. The cubic root of 133294564 is about 510.8234346194.

The spelling of 133294564 in words is "one hundred thirty-three million, two hundred ninety-four thousand, five hundred sixty-four".