133606027 has 4 divisors (see below), whose sum is σ = 133787560. Its totient is φ = 133424496.

The previous prime is 133605971. The next prime is 133606037. The reversal of 133606027 is 720606331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720606331 = 19 ⋅37926649.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133606027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133605986 and 133606004.

It is not an unprimeable number, because it can be changed into a prime (133606037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89658 + ... + 91135.

It is an arithmetic number, because the mean of its divisors is an integer number (33446890).

Almost surely, 2^133606027 is an apocalyptic number.

133606027 is a deficient number, since it is larger than the sum of its proper divisors (181533).

133606027 is an equidigital number, since it uses as much as digits as its factorization.

133606027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181532.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 133606027 is about 11558.8073346691. The cubic root of 133606027 is about 511.2209973126.

The spelling of 133606027 in words is "one hundred thirty-three million, six hundred six thousand, twenty-seven".