133021513124543 has 16 divisors (see below), whose sum is σ = 142079912087616. Its totient is φ = 124104798289920.

The previous prime is 133021513124531. The next prime is 133021513124573. The reversal of 133021513124543 is 345421315120331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133021513124543 - 2¹⁰ = 133021513123519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133021513124497 and 133021513124506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133021513124503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71218571 + ... + 73062492.

It is an arithmetic number, because the mean of its divisors is an integer number (8879994505476).

Almost surely, 2^{133021513124543} is an apocalyptic number.

133021513124543 is a deficient number, since it is larger than the sum of its proper divisors (9058398963073).

133021513124543 is a wasteful number, since it uses less digits than its factorization.

133021513124543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144281554.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 133021513124543 its reverse (345421315120331), we get a palindrome (478442828244874).

The spelling of 133021513124543 in words is "one hundred thirty-three trillion, twenty-one billion, five hundred thirteen million, one hundred twenty-four thousand, five hundred forty-three".