133526506 has 8 divisors (see below), whose sum is σ = 200343744. Its totient is φ = 66745260.

The previous prime is 133526467. The next prime is 133526507. The reversal of 133526506 is 605625331.

133526506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (133526507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4081 + ... + 16843.

It is an arithmetic number, because the mean of its divisors is an integer number (25042968).

Almost surely, 2^133526506 is an apocalyptic number.

133526506 is a deficient number, since it is larger than the sum of its proper divisors (66817238).

133526506 is a wasteful number, since it uses less digits than its factorization.

133526506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17996.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 133526506 is about 11555.3669781621. The cubic root of 133526506 is about 511.1195526051.

The spelling of 133526506 in words is "one hundred thirty-three million, five hundred twenty-six thousand, five hundred six".