133496208 has 40 divisors (see below), whose sum is σ = 383184800. Its totient is φ = 44498592.

The previous prime is 133496201. The next prime is 133496219. The reversal of 133496208 is 802694331.

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

It is not an unprimeable number, because it can be changed into a prime (133496201) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 154078 + ... + 154941.

It is an arithmetic number, because the mean of its divisors is an integer number (9579620).

Almost surely, 2^133496208 is an apocalyptic number.

133496208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133496208 is an abundant number, since it is smaller than the sum of its proper divisors (249688592).

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

133496208 is a wasteful number, since it uses less digits than its factorization.

133496208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309036 (or 309024 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 133496208 is about 11554.0559112374. The cubic root of 133496208 is about 511.0808909388.

The spelling of 133496208 in words is "one hundred thirty-three million, four hundred ninety-six thousand, two hundred eight".