133377272 has 16 divisors (see below), whose sum is σ = 285808560. Its totient is φ = 57161664.

The previous prime is 133377247. The next prime is 133377281. The reversal of 133377272 is 272773331.

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, 1190813 + ... + 1190924.

It is an arithmetic number, because the mean of its divisors is an integer number (17863035).

Almost surely, 2^133377272 is an apocalyptic number.

It is an amenable number.

133377272 is an abundant number, since it is smaller than the sum of its proper divisors (152431288).

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

133377272 is a wasteful number, since it uses less digits than its factorization.

133377272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381750 (or 2381746 counting only the distinct ones).

The product of its digits is 37044, while the sum is 35.

The square root of 133377272 is about 11548.9078271497. The cubic root of 133377272 is about 510.9290664570.

The spelling of 133377272 in words is "one hundred thirty-three million, three hundred seventy-seven thousand, two hundred seventy-two".