13134403323021 has 4 divisors (see below), whose sum is σ = 17512537764032. Its totient is φ = 8756268882012.

The previous prime is 13134403322981. The next prime is 13134403323023. The reversal of 13134403323021 is 12032330443131.

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 not a de Polignac number, because 13134403323021 - 2³⁴ = 13117223453837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13134403323021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13134403323023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189067220501 + ... + 2189067220506.

It is an arithmetic number, because the mean of its divisors is an integer number (4378134441008).

Almost surely, 2^{13134403323021} is an apocalyptic number.

It is an amenable number.

13134403323021 is a deficient number, since it is larger than the sum of its proper divisors (4378134441011).

13134403323021 is an equidigital number, since it uses as much as digits as its factorization.

13134403323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378134441010.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 13134403323021 its reverse (12032330443131), we get a palindrome (25166733766152).

The spelling of 13134403323021 in words is "thirteen trillion, one hundred thirty-four billion, four hundred three million, three hundred twenty-three thousand, twenty-one".