133937208 has 48 divisors (see below), whose sum is σ = 363729600. Its totient is φ = 44524800.

The previous prime is 133937179. The next prime is 133937227. The reversal of 133937208 is 802739331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 26553 + ... + 31191.

It is an arithmetic number, because the mean of its divisors is an integer number (7577700).

Almost surely, 2^133937208 is an apocalyptic number.

133937208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133937208 is an abundant number, since it is smaller than the sum of its proper divisors (229792392).

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

133937208 is a wasteful number, since it uses less digits than its factorization.

133937208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052 (or 5045 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 133937208 is about 11573.1243836744. The cubic root of 133937208 is about 511.6430515803.

The spelling of 133937208 in words is "one hundred thirty-three million, nine hundred thirty-seven thousand, two hundred eight".