1326143434 has 16 divisors (see below), whose sum is σ = 2480060736. Its totient is φ = 516679200.

The previous prime is 1326143431. The next prime is 1326143449. The reversal of 1326143434 is 4343416231.

It is a junction number, because it is equal to n+sod(n) for n = 1326143396 and 1326143405.

It is not an unprimeable number, because it can be changed into a prime (1326143431) 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, 4305507 + ... + 4305814.

It is an arithmetic number, because the mean of its divisors is an integer number (155003796).

Almost surely, 2^1326143434 is an apocalyptic number.

1326143434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1326143434 is a deficient number, since it is larger than the sum of its proper divisors (1153917302).

1326143434 is a wasteful number, since it uses less digits than its factorization.

1326143434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611341.

The product of its digits is 20736, while the sum is 31.

The square root of 1326143434 is about 36416.2523332646. The cubic root of 1326143434 is about 1098.6604724797.

Adding to 1326143434 its reverse (4343416231), we get a palindrome (5669559665).

The spelling of 1326143434 in words is "one billion, three hundred twenty-six million, one hundred forty-three thousand, four hundred thirty-four".