1315137529 has 2 divisors, whose sum is σ = 1315137530. Its totient is φ = 1315137528.

The previous prime is 1315137517. The next prime is 1315137541. The reversal of 1315137529 is 9257315131.

It is a balanced prime because it is at equal distance from previous prime (1315137517) and next prime (1315137541).

It can be written as a sum of positive squares in only one way, i.e., 1256844304 + 58293225 = 35452^2 + 7635^2 .

It is an emirp because it is prime and its reverse (9257315131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1315137529 - 2¹⁵ = 1315104761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315137589) 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, 657568764 + 657568765.

It is an arithmetic number, because the mean of its divisors is an integer number (657568765).

Almost surely, 2^1315137529 is an apocalyptic number.

It is an amenable number.

1315137529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315137529 is an equidigital number, since it uses as much as digits as its factorization.

1315137529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 37.

The square root of 1315137529 is about 36264.8249547685. The cubic root of 1315137529 is about 1095.6126979796.

The spelling of 1315137529 in words is "one billion, three hundred fifteen million, one hundred thirty-seven thousand, five hundred twenty-nine".