13130121133 has 4 divisors (see below), whose sum is σ = 13821180160. Its totient is φ = 12439062108.

The previous prime is 13130121131. The next prime is 13130121149. The reversal of 13130121133 is 33112103131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33112103131 = 163 ⋅203141737.

It is a cyclic number.

It is not a de Polignac number, because 13130121133 - 2¹ = 13130121131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 691059007 = 13130121133 / (1 + 3 + 1 + 3 + 0 + 1 + 2 + 1 + 1 + 3 + 3).

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 13130121133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130121131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345529485 + ... + 345529522.

It is an arithmetic number, because the mean of its divisors is an integer number (3455295040).

Almost surely, 2^13130121133 is an apocalyptic number.

It is an amenable number.

13130121133 is a deficient number, since it is larger than the sum of its proper divisors (691059027).

13130121133 is an equidigital number, since it uses as much as digits as its factorization.

13130121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691059026.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13130121133 its reverse (33112103131), we get a palindrome (46242224264).

The spelling of 13130121133 in words is "thirteen billion, one hundred thirty million, one hundred twenty-one thousand, one hundred thirty-three".