133738268 has 6 divisors (see below), whose sum is σ = 234041976. Its totient is φ = 66869132.

The previous prime is 133738259. The next prime is 133738273. The reversal of 133738268 is 862837331.

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 as a sum of consecutive naturals, namely, 16717280 + ... + 16717287.

It is an arithmetic number, because the mean of its divisors is an integer number (39006996).

Almost surely, 2^133738268 is an apocalyptic number.

It is an amenable number.

133738268 is a deficient number, since it is larger than the sum of its proper divisors (100303708).

133738268 is a wasteful number, since it uses less digits than its factorization.

133738268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33434571 (or 33434569 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 133738268 is about 11564.5262765061. The cubic root of 133738268 is about 511.3896076792.

The spelling of 133738268 in words is "one hundred thirty-three million, seven hundred thirty-eight thousand, two hundred sixty-eight".