1343142442 has 8 divisors (see below), whose sum is σ = 2017709316. Its totient is φ = 670572672.

The previous prime is 1343142397. The next prime is 1343142457. The reversal of 1343142442 is 2442413431.

It can be written as a sum of positive squares in 2 ways, for example, as 1208327121 + 134815321 = 34761^2 + 11611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1343142442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497593 + ... + 500284.

Almost surely, 2^1343142442 is an apocalyptic number.

1343142442 is a deficient number, since it is larger than the sum of its proper divisors (674566874).

1343142442 is an equidigital number, since it uses as much as digits as its factorization.

1343142442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998552.

The product of its digits is 9216, while the sum is 28.

The square root of 1343142442 is about 36648.9077872725. The cubic root of 1343142442 is about 1103.3349045918.

Adding to 1343142442 its reverse (2442413431), we get a palindrome (3785555873).

The spelling of 1343142442 in words is "one billion, three hundred forty-three million, one hundred forty-two thousand, four hundred forty-two".