1326999083 has 4 divisors (see below), whose sum is σ = 1396841160. Its totient is φ = 1257157008.

The previous prime is 1326999067. The next prime is 1326999131. The reversal of 1326999083 is 3809996231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3809996231 = 15061 ⋅252971.

It is a cyclic number.

It is not a de Polignac number, because 1326999083 - 2⁴ = 1326999067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326999013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34921010 + ... + 34921047.

It is an arithmetic number, because the mean of its divisors is an integer number (349210290).

Almost surely, 2^1326999083 is an apocalyptic number.

1326999083 is a deficient number, since it is larger than the sum of its proper divisors (69842077).

1326999083 is an equidigital number, since it uses as much as digits as its factorization.

1326999083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69842076.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 1326999083 is about 36427.9986137037. The cubic root of 1326999083 is about 1098.8967127940.

The spelling of 1326999083 in words is "one billion, three hundred twenty-six million, nine hundred ninety-nine thousand, eighty-three".