130434443132421 has 16 divisors (see below), whose sum is σ = 182051162800128. Its totient is φ = 82966024705200.

The previous prime is 130434443132381. The next prime is 130434443132437. The reversal of 130434443132421 is 124231344434031.

It is not a de Polignac number, because 130434443132421 - 2¹⁰ = 130434443131397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130434443132421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130434443132491) 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, 9876901101 + ... + 9876914306.

It is an arithmetic number, because the mean of its divisors is an integer number (11378197675008).

Almost surely, 2^{130434443132421} is an apocalyptic number.

It is an amenable number.

130434443132421 is a deficient number, since it is larger than the sum of its proper divisors (51616719667707).

130434443132421 is a wasteful number, since it uses less digits than its factorization.

130434443132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19753815512.

The product of its (nonzero) digits is 331776, while the sum is 39.

Adding to 130434443132421 its reverse (124231344434031), we get a palindrome (254665787566452).

The spelling of 130434443132421 in words is "one hundred thirty trillion, four hundred thirty-four billion, four hundred forty-three million, one hundred thirty-two thousand, four hundred twenty-one".