1326445147 has 2 divisors, whose sum is σ = 1326445148. Its totient is φ = 1326445146.

The previous prime is 1326445093. The next prime is 1326445177. The reversal of 1326445147 is 7415446231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326445147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1326445177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663222573 + 663222574.

It is an arithmetic number, because the mean of its divisors is an integer number (663222574).

Almost surely, 2^1326445147 is an apocalyptic number.

1326445147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326445147 is an equidigital number, since it uses as much as digits as its factorization.

1326445147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 1326445147 is about 36420.3946573894. The cubic root of 1326445147 is about 1098.7437854918.

The spelling of 1326445147 in words is "one billion, three hundred twenty-six million, four hundred forty-five thousand, one hundred forty-seven".