133572163 has 2 divisors, whose sum is σ = 133572164. Its totient is φ = 133572162.

The previous prime is 133572139. The next prime is 133572169. The reversal of 133572163 is 361275331.

It is a strong prime.

It is an emirp because it is prime and its reverse (361275331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133572163 - 2¹³ = 133563971 is a prime.

It is not a weakly prime, because it can be changed into another prime (133572169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66786081 + 66786082.

It is an arithmetic number, because the mean of its divisors is an integer number (66786082).

Almost surely, 2^133572163 is an apocalyptic number.

133572163 is a deficient number, since it is larger than the sum of its proper divisors (1).

133572163 is an equidigital number, since it uses as much as digits as its factorization.

133572163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 31.

The square root of 133572163 is about 11557.3423848219. The cubic root of 133572163 is about 511.1778020289.

The spelling of 133572163 in words is "one hundred thirty-three million, five hundred seventy-two thousand, one hundred sixty-three".