1421343141042 has 64 divisors (see below), whose sum is σ = 3160693923840. Its totient is φ = 422440324800.

The previous prime is 1421343141017. The next prime is 1421343141047. The reversal of 1421343141042 is 2401413431241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1421343141047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10493167 + ... + 10627757.

It is an arithmetic number, because the mean of its divisors is an integer number (49385842560).

Almost surely, 2^{1421343141042} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421343141042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580346961920).

1421343141042 is an abundant number, since it is smaller than the sum of its proper divisors (1739350782798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421343141042 is a wasteful number, since it uses less digits than its factorization.

1421343141042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137679.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1421343141042 its reverse (2401413431241), we get a palindrome (3822756572283).

The spelling of 1421343141042 in words is "one trillion, four hundred twenty-one billion, three hundred forty-three million, one hundred forty-one thousand, forty-two".