1315119149 has 2 divisors, whose sum is σ = 1315119150. Its totient is φ = 1315119148.

The previous prime is 1315119121. The next prime is 1315119187. The reversal of 1315119149 is 9419115131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1249622500 + 65496649 = 35350^2 + 8093^2 .

It is an emirp because it is prime and its reverse (9419115131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1315119149 - 2¹⁶ = 1315053613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315119109) by changing a digit.

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 as a sum of consecutive naturals, namely, 657559574 + 657559575.

It is an arithmetic number, because the mean of its divisors is an integer number (657559575).

Almost surely, 2^1315119149 is an apocalyptic number.

It is an amenable number.

1315119149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315119149 is an equidigital number, since it uses as much as digits as its factorization.

1315119149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 35.

The square root of 1315119149 is about 36264.5715402788. The cubic root of 1315119149 is about 1095.6075939620.

The spelling of 1315119149 in words is "one billion, three hundred fifteen million, one hundred nineteen thousand, one hundred forty-nine".