130440224323421 has 16 divisors (see below), whose sum is σ = 133330303212480. Its totient is φ = 127572843713280.

The previous prime is 130440224323399. The next prime is 130440224323559. The reversal of 130440224323421 is 124323422044031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 130440224323421 - 2²⁶ = 130440157214557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440224329421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277054706 + ... + 277525116.

It is an arithmetic number, because the mean of its divisors is an integer number (8333143950780).

Almost surely, 2^{130440224323421} is an apocalyptic number.

It is an amenable number.

130440224323421 is a deficient number, since it is larger than the sum of its proper divisors (2890078889059).

130440224323421 is a wasteful number, since it uses less digits than its factorization.

130440224323421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494524.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 130440224323421 its reverse (124323422044031), we get a palindrome (254763646367452).

The spelling of 130440224323421 in words is "one hundred thirty trillion, four hundred forty billion, two hundred twenty-four million, three hundred twenty-three thousand, four hundred twenty-one".