1310545399 has 2 divisors, whose sum is σ = 1310545400. Its totient is φ = 1310545398.

The previous prime is 1310545339. The next prime is 1310545403. The reversal of 1310545399 is 9935450131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1310545399 - 2¹⁷ = 1310414327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310545319) 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, 655272699 + 655272700.

It is an arithmetic number, because the mean of its divisors is an integer number (655272700).

Almost surely, 2^1310545399 is an apocalyptic number.

1310545399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310545399 is an equidigital number, since it uses as much as digits as its factorization.

1310545399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 1310545399 is about 36201.4557580217. The cubic root of 1310545399 is about 1094.3360093938.

The spelling of 1310545399 in words is "one billion, three hundred ten million, five hundred forty-five thousand, three hundred ninety-nine".