133264494 has 32 divisors (see below), whose sum is σ = 323066880. Its totient is φ = 40383000.

The previous prime is 133264477. The next prime is 133264501. The reversal of 133264494 is 494462331.

It is a happy number.

133264494 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 644 + 9 + 4 = 666.

It is a super-2 number, since 2×133264494² = 35518850722152072, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 111582 + ... + 112769.

It is an arithmetic number, because the mean of its divisors is an integer number (10095840).

Almost surely, 2^133264494 is an apocalyptic number.

133264494 is an abundant number, since it is smaller than the sum of its proper divisors (189802386).

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

133264494 is a wasteful number, since it uses less digits than its factorization.

133264494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224373 (or 224367 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 133264494 is about 11544.0241683739. The cubic root of 133264494 is about 510.7850194097.

The spelling of 133264494 in words is "one hundred thirty-three million, two hundred sixty-four thousand, four hundred ninety-four".