133640402640063 has 32 divisors (see below), whose sum is σ = 198549091537920. Its totient is φ = 79260050540160.

The previous prime is 133640402640029. The next prime is 133640402640091. The reversal of 133640402640063 is 360046204046331.

It is a happy number.

It is not a de Polignac number, because 133640402640063 - 2⁶ = 133640402639999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133640402639997 and 133640402640024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133640402642063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5441881 + ... + 17230637.

It is an arithmetic number, because the mean of its divisors is an integer number (6204659110560).

Almost surely, 2^{133640402640063} is an apocalyptic number.

133640402640063 is a deficient number, since it is larger than the sum of its proper divisors (64908688897857).

133640402640063 is a wasteful number, since it uses less digits than its factorization.

133640402640063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11796127.

The product of its (nonzero) digits is 746496, while the sum is 42.

Adding to 133640402640063 its reverse (360046204046331), we get a palindrome (493686606686394).

The spelling of 133640402640063 in words is "one hundred thirty-three trillion, six hundred forty billion, four hundred two million, six hundred forty thousand, sixty-three".