130440224013421 has 6 divisors (see below), whose sum is σ = 151736587117710. Its totient is φ = 111805906297176.

The previous prime is 130440224013391. The next prime is 130440224013433. The reversal of 130440224013421 is 124310422044031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 116934701913225 + 13505522100196 = 10813635^2 + 3674986^2 .

It is not a de Polignac number, because 130440224013421 - 2⁵ = 130440224013389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440225013421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1331022693966 + ... + 1331022694063.

It is an arithmetic number, because the mean of its divisors is an integer number (25289431186285).

Almost surely, 2^{130440224013421} is an apocalyptic number.

It is an amenable number.

130440224013421 is a deficient number, since it is larger than the sum of its proper divisors (21296363104289).

130440224013421 is an equidigital number, since it uses as much as digits as its factorization.

130440224013421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662045388043 (or 2662045388036 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 130440224013421 its reverse (124310422044031), we get a palindrome (254750646057452).

The spelling of 130440224013421 in words is "one hundred thirty trillion, four hundred forty billion, two hundred twenty-four million, thirteen thousand, four hundred twenty-one".