133299244 has 24 divisors (see below), whose sum is σ = 265997088. Its totient is φ = 57903360.

The previous prime is 133299223. The next prime is 133299259. The reversal of 133299244 is 442992331.

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 7 ways as a sum of consecutive naturals, for example, 74512 + ... + 76279.

It is an arithmetic number, because the mean of its divisors is an integer number (11083212).

Almost surely, 2^133299244 is an apocalyptic number.

It is an amenable number.

133299244 is a deficient number, since it is larger than the sum of its proper divisors (132697844).

133299244 is a wasteful number, since it uses less digits than its factorization.

133299244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150825 (or 150823 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 133299244 is about 11545.5291779979. The cubic root of 133299244 is about 510.8294129219.

It can be divided in two parts, 1332 and 99244, that added together give a triangular number (100576 = T₄₄₈).

The spelling of 133299244 in words is "one hundred thirty-three million, two hundred ninety-nine thousand, two hundred forty-four".