1326142426 has 16 divisors (see below), whose sum is σ = 2407116096. Its totient is φ = 534914496.

The previous prime is 1326142357. The next prime is 1326142429. The reversal of 1326142426 is 6242416231.

It is not an unprimeable number, because it can be changed into a prime (1326142429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2785776 + ... + 2786251.

It is an arithmetic number, because the mean of its divisors is an integer number (150444756).

Almost surely, 2^1326142426 is an apocalyptic number.

1326142426 is a deficient number, since it is larger than the sum of its proper divisors (1080973670).

1326142426 is a wasteful number, since it uses less digits than its factorization.

1326142426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5572053.

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

The square root of 1326142426 is about 36416.2384932876. The cubic root of 1326142426 is about 1098.6601941162.

Adding to 1326142426 its reverse (6242416231), we get a palindrome (7568558657).

The spelling of 1326142426 in words is "one billion, three hundred twenty-six million, one hundred forty-two thousand, four hundred twenty-six".