1421340131441 has 24 divisors (see below), whose sum is σ = 1510021835424. Its totient is φ = 1337620988160.

The previous prime is 1421340131329. The next prime is 1421340131467. The reversal of 1421340131441 is 1441310431241.

It is a happy number.

It is not a de Polignac number, because 1421340131441 - 2¹⁴ = 1421340115057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421340131641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156341306 + ... + 156350396.

It is an arithmetic number, because the mean of its divisors is an integer number (62917576476).

Almost surely, 2^{1421340131441} is an apocalyptic number.

It is an amenable number.

1421340131441 is a deficient number, since it is larger than the sum of its proper divisors (88681703983).

1421340131441 is a wasteful number, since it uses less digits than its factorization.

1421340131441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11949 (or 11930 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 1421340131441 its reverse (1441310431241), we get a palindrome (2862650562682).

The spelling of 1421340131441 in words is "one trillion, four hundred twenty-one billion, three hundred forty million, one hundred thirty-one thousand, four hundred forty-one".