133612608 has 28 divisors (see below), whose sum is σ = 353517200. Its totient is φ = 44537472.

The previous prime is 133612561. The next prime is 133612613. The reversal of 133612608 is 806216331.

It is a nialpdrome in base 8.

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 3 ways as a sum of consecutive naturals, for example, 347758 + ... + 348141.

Almost surely, 2^133612608 is an apocalyptic number.

It is an amenable number.

133612608 is an abundant number, since it is smaller than the sum of its proper divisors (219904592).

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

133612608 is an equidigital number, since it uses as much as digits as its factorization.

133612608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695914 (or 695904 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 133612608 is about 11559.0920058627. The cubic root of 133612608 is about 511.2293908714.

Adding to 133612608 its reverse (806216331), we get a palindrome (939828939).

The spelling of 133612608 in words is "one hundred thirty-three million, six hundred twelve thousand, six hundred eight".