1326818434 has 16 divisors (see below), whose sum is σ = 2077860672. Its totient is φ = 634228848.

The previous prime is 1326818419. The next prime is 1326818459. The reversal of 1326818434 is 4348186231.

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 7 ways as a sum of consecutive naturals, for example, 94792 + ... + 107884.

It is an arithmetic number, because the mean of its divisors is an integer number (129866292).

Almost surely, 2^1326818434 is an apocalyptic number.

1326818434 is a deficient number, since it is larger than the sum of its proper divisors (751042238).

1326818434 is a wasteful number, since it uses less digits than its factorization.

1326818434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15321.

The product of its digits is 110592, while the sum is 40.

The square root of 1326818434 is about 36425.5189942436. The cubic root of 1326818434 is about 1098.8468449873.

The spelling of 1326818434 in words is "one billion, three hundred twenty-six million, eight hundred eighteen thousand, four hundred thirty-four".