133500672 has 54 divisors (see below), whose sum is σ = 384921992. Its totient is φ = 44499456.

The previous prime is 133500667. The next prime is 133500683. The reversal of 133500672 is 276005331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26668 + ... + 31275.

Almost surely, 2^133500672 is an apocalyptic number.

133500672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133500672 is an abundant number, since it is smaller than the sum of its proper divisors (251421320).

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

133500672 is an equidigital number, since it uses as much as digits as its factorization.

133500672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57965 (or 57948 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 133500672 is about 11554.2490885388. The cubic root of 133500672 is about 511.0865875792.

The spelling of 133500672 in words is "one hundred thirty-three million, five hundred thousand, six hundred seventy-two".