133896628 has 12 divisors (see below), whose sum is σ = 237619872. Its totient is φ = 66005240.

The previous prime is 133896617. The next prime is 133896649. The reversal of 133896628 is 826698331.

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, 235450 + ... + 236017.

It is an arithmetic number, because the mean of its divisors is an integer number (19801656).

Almost surely, 2^133896628 is an apocalyptic number.

It is an amenable number.

133896628 is a deficient number, since it is larger than the sum of its proper divisors (103723244).

133896628 is a wasteful number, since it uses less digits than its factorization.

133896628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471542 (or 471540 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 133896628 is about 11571.3710510034. The cubic root of 133896628 is about 511.5913741996.

The spelling of 133896628 in words is "one hundred thirty-three million, eight hundred ninety-six thousand, six hundred twenty-eight".