4143134312421 has 16 divisors (see below), whose sum is σ = 5962365662400. Its totient is φ = 2543942661120.

The previous prime is 4143134312399. The next prime is 4143134312437. The reversal of 4143134312421 is 1242134313414.

It is a happy number.

It is not a de Polignac number, because 4143134312421 - 2¹⁷ = 4143134181349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143134312621) 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, 118283395 + ... + 118318416.

It is an arithmetic number, because the mean of its divisors is an integer number (372647853900).

Almost surely, 2^{4143134312421} is an apocalyptic number.

It is an amenable number.

4143134312421 is a deficient number, since it is larger than the sum of its proper divisors (1819231349979).

4143134312421 is a wasteful number, since it uses less digits than its factorization.

4143134312421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236602276.

The product of its digits is 27648, while the sum is 33.

Adding to 4143134312421 its reverse (1242134313414), we get a palindrome (5385268625835).

The spelling of 4143134312421 in words is "four trillion, one hundred forty-three billion, one hundred thirty-four million, three hundred twelve thousand, four hundred twenty-one".