20130134442133 has 4 divisors (see below), whose sum is σ = 20147623699968. Its totient is φ = 20112645184300.

The previous prime is 20130134442127. The next prime is 20130134442149. The reversal of 20130134442133 is 33124443103102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20130134442133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20130134442095 and 20130134442104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130134442833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8744627191 + ... + 8744629492.

It is an arithmetic number, because the mean of its divisors is an integer number (5036905924992).

Almost surely, 2^{20130134442133} is an apocalyptic number.

It is an amenable number.

20130134442133 is a deficient number, since it is larger than the sum of its proper divisors (17489257835).

20130134442133 is a wasteful number, since it uses less digits than its factorization.

20130134442133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17489257834.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 20130134442133 its reverse (33124443103102), we get a palindrome (53254577545235).

The spelling of 20130134442133 in words is "twenty trillion, one hundred thirty billion, one hundred thirty-four million, four hundred forty-two thousand, one hundred thirty-three".