133165027 has 4 divisors (see below), whose sum is σ = 133199640. Its totient is φ = 133130416.

The previous prime is 133165003. The next prime is 133165073. The reversal of 133165027 is 720561331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720561331 = 7 ⋅102937333.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133165027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133164986 and 133165004.

It is not an unprimeable number, because it can be changed into a prime (133165127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10693 + ... + 19510.

It is an arithmetic number, because the mean of its divisors is an integer number (33299910).

Almost surely, 2^133165027 is an apocalyptic number.

133165027 is a deficient number, since it is larger than the sum of its proper divisors (34613).

133165027 is an equidigital number, since it uses as much as digits as its factorization.

133165027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34612.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 133165027 is about 11539.7152044580. The cubic root of 133165027 is about 510.6579065340.

The spelling of 133165027 in words is "one hundred thirty-three million, one hundred sixty-five thousand, twenty-seven".