133546630 has 32 divisors (see below), whose sum is σ = 289186560. Its totient is φ = 43377120.

The previous prime is 133546583. The next prime is 133546631. The reversal of 133546630 is 36645331.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 133546592 and 133546601.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 48876 + ... + 51535.

It is an arithmetic number, because the mean of its divisors is an integer number (9037080).

Almost surely, 2^133546630 is an apocalyptic number.

133546630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133546630 is an abundant number, since it is smaller than the sum of its proper divisors (155639930).

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

133546630 is a wasteful number, since it uses less digits than its factorization.

133546630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100444.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 133546630 is about 11556.2377095662. The cubic root of 133546630 is about 511.1452285389.

The spelling of 133546630 in words is "one hundred thirty-three million, five hundred forty-six thousand, six hundred thirty".