133154543 has 2 divisors, whose sum is σ = 133154544. Its totient is φ = 133154542.

The previous prime is 133154501. The next prime is 133154551. The reversal of 133154543 is 345451331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133154543 - 2¹⁰ = 133153519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133157543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66577271 + 66577272.

It is an arithmetic number, because the mean of its divisors is an integer number (66577272).

Almost surely, 2^133154543 is an apocalyptic number.

133154543 is a deficient number, since it is larger than the sum of its proper divisors (1).

133154543 is an equidigital number, since it uses as much as digits as its factorization.

133154543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 133154543 is about 11539.2609382057. The cubic root of 133154543 is about 510.6445049222.

The spelling of 133154543 in words is "one hundred thirty-three million, one hundred fifty-four thousand, five hundred forty-three".