133504042642061 has 16 divisors (see below), whose sum is σ = 165766762285824. Its totient is φ = 104694797217024.

The previous prime is 133504042642043. The next prime is 133504042642067. The reversal of 133504042642061 is 160246240405331.

It is a de Polignac number, because none of the positive numbers 2^k-133504042642061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133504042642067) 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, 6491482601 + ... + 6491503166.

It is an arithmetic number, because the mean of its divisors is an integer number (10360422642864).

Almost surely, 2^{133504042642061} is an apocalyptic number.

It is an amenable number.

133504042642061 is a deficient number, since it is larger than the sum of its proper divisors (32262719643763).

133504042642061 is a wasteful number, since it uses less digits than its factorization.

133504042642061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12982985900.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 133504042642061 in words is "one hundred thirty-three trillion, five hundred four billion, forty-two million, six hundred forty-two thousand, sixty-one".