133546636 has 24 divisors (see below), whose sum is σ = 243976320. Its totient is φ = 63888000.

The previous prime is 133546631. The next prime is 133546657. The reversal of 133546636 is 636645331.

It is a junction number, because it is equal to n+sod(n) for n = 133546595 and 133546604.

It is not an unprimeable number, because it can be changed into a prime (133546631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4986 + ... + 17086.

It is an arithmetic number, because the mean of its divisors is an integer number (10165680).

Almost surely, 2^133546636 is an apocalyptic number.

It is an amenable number.

133546636 is a deficient number, since it is larger than the sum of its proper divisors (110429684).

133546636 is a wasteful number, since it uses less digits than its factorization.

133546636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12225 (or 12223 counting only the distinct ones).

The product of its digits is 116640, while the sum is 37.

The square root of 133546636 is about 11556.2379691663. The cubic root of 133546636 is about 511.1452361938.

The spelling of 133546636 in words is "one hundred thirty-three million, five hundred forty-six thousand, six hundred thirty-six".