133061143 has 2 divisors, whose sum is σ = 133061144. Its totient is φ = 133061142.

The previous prime is 133061081. The next prime is 133061167. The reversal of 133061143 is 341160331.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (341160331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133061143 - 2¹³ = 133052951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133061443) 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 as a sum of consecutive naturals, namely, 66530571 + 66530572.

It is an arithmetic number, because the mean of its divisors is an integer number (66530572).

Almost surely, 2^133061143 is an apocalyptic number.

133061143 is a deficient number, since it is larger than the sum of its proper divisors (1).

133061143 is an equidigital number, since it uses as much as digits as its factorization.

133061143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 133061143 is about 11535.2131753167. The cubic root of 133061143 is about 510.5250814023.

The spelling of 133061143 in words is "one hundred thirty-three million, sixty-one thousand, one hundred forty-three".