133066541 has 8 divisors (see below), whose sum is σ = 139572480. Its totient is φ = 126713808.

The previous prime is 133066537. The next prime is 133066543. The reversal of 133066541 is 145660331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133066541 - 2² = 133066537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133066543) 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 7 ways as a sum of consecutive naturals, for example, 36521 + ... + 39998.

It is an arithmetic number, because the mean of its divisors is an integer number (17446560).

Almost surely, 2^133066541 is an apocalyptic number.

It is an amenable number.

133066541 is a deficient number, since it is larger than the sum of its proper divisors (6505939).

133066541 is an equidigital number, since it uses as much as digits as its factorization.

133066541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76603.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 133066541 is about 11535.4471521480. The cubic root of 133066541 is about 510.5319849382.

The spelling of 133066541 in words is "one hundred thirty-three million, sixty-six thousand, five hundred forty-one".