1343156242 has 8 divisors (see below), whose sum is σ = 2021172156. Its totient is φ = 669432192.

The previous prime is 1343156237. The next prime is 1343156249. The reversal of 1343156242 is 2426513431.

It can be written as a sum of positive squares in 2 ways, for example, as 1309643721 + 33512521 = 36189^2 + 5789^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1343156249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072183 + ... + 1073434.

Almost surely, 2^1343156242 is an apocalyptic number.

1343156242 is a deficient number, since it is larger than the sum of its proper divisors (678015914).

1343156242 is a wasteful number, since it uses less digits than its factorization.

1343156242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145932.

The product of its digits is 17280, while the sum is 31.

The square root of 1343156242 is about 36649.0960597939. The cubic root of 1343156242 is about 1103.3386832849.

Adding to 1343156242 its reverse (2426513431), we get a palindrome (3769669673).

The spelling of 1343156242 in words is "one billion, three hundred forty-three million, one hundred fifty-six thousand, two hundred forty-two".