1326155143 has 2 divisors, whose sum is σ = 1326155144. Its totient is φ = 1326155142.

The previous prime is 1326155119. The next prime is 1326155153. The reversal of 1326155143 is 3415516231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1326155143 - 2²¹ = 1324057991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326155153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663077571 + 663077572.

It is an arithmetic number, because the mean of its divisors is an integer number (663077572).

Almost surely, 2^1326155143 is an apocalyptic number.

1326155143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326155143 is an equidigital number, since it uses as much as digits as its factorization.

1326155143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 1326155143 is about 36416.4130990409. The cubic root of 1326155143 is about 1098.6637059604.

The spelling of 1326155143 in words is "one billion, three hundred twenty-six million, one hundred fifty-five thousand, one hundred forty-three".