1443130134421 has 2 divisors, whose sum is σ = 1443130134422. Its totient is φ = 1443130134420.

The previous prime is 1443130134389. The next prime is 1443130134461. The reversal of 1443130134421 is 1244310313441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1214593551396 + 228536583025 = 1102086^2 + 478055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443130134421 - 2⁵ = 1443130134389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1443130134461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721565067210 + 721565067211.

It is an arithmetic number, because the mean of its divisors is an integer number (721565067211).

Almost surely, 2^{1443130134421} is an apocalyptic number.

It is an amenable number.

1443130134421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443130134421 is an equidigital number, since it uses as much as digits as its factorization.

1443130134421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 1443130134421 its reverse (1244310313441), we get a palindrome (2687440447862).

The spelling of 1443130134421 in words is "one trillion, four hundred forty-three billion, one hundred thirty million, one hundred thirty-four thousand, four hundred twenty-one".