133766543 has 2 divisors, whose sum is σ = 133766544. Its totient is φ = 133766542.

The previous prime is 133766539. The next prime is 133766569. The reversal of 133766543 is 345667331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133766543 - 2² = 133766539 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 133766497 and 133766506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133766533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66883271 + 66883272.

It is an arithmetic number, because the mean of its divisors is an integer number (66883272).

Almost surely, 2^133766543 is an apocalyptic number.

133766543 is a deficient number, since it is larger than the sum of its proper divisors (1).

133766543 is an equidigital number, since it uses as much as digits as its factorization.

133766543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 38.

The square root of 133766543 is about 11565.7487003652. The cubic root of 133766543 is about 511.4256445406.

The spelling of 133766543 in words is "one hundred thirty-three million, seven hundred sixty-six thousand, five hundred forty-three".