133353408 has 28 divisors (see below), whose sum is σ = 352831400. Its totient is φ = 44451072.

The previous prime is 133353373. The next prime is 133353421. The reversal of 133353408 is 804353331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347083 + ... + 347466.

Almost surely, 2^133353408 is an apocalyptic number.

It is an amenable number.

133353408 is an abundant number, since it is smaller than the sum of its proper divisors (219477992).

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

133353408 is an equidigital number, since it uses as much as digits as its factorization.

133353408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694564 (or 694554 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 133353408 is about 11547.8746096414. The cubic root of 133353408 is about 510.8985926531.

The spelling of 133353408 in words is "one hundred thirty-three million, three hundred fifty-three thousand, four hundred eight".