1315329705 has 32 divisors (see below), whose sum is σ = 2359843200. Its totient is φ = 695065536.

The previous prime is 1315329683. The next prime is 1315329737. The reversal of 1315329705 is 5079235131.

1315329705 is a `hidden beast` number, since 1 + 31 + 532 + 97 + 0 + 5 = 666.

It is not a de Polignac number, because 1315329705 - 2¹⁰ = 1315328681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315329705.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29979 + ... + 59408.

It is an arithmetic number, because the mean of its divisors is an integer number (73745100).

Almost surely, 2^1315329705 is an apocalyptic number.

1315329705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1315329705 is a deficient number, since it is larger than the sum of its proper divisors (1044513495).

1315329705 is a wasteful number, since it uses less digits than its factorization.

1315329705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89510 (or 89504 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 1315329705 is about 36267.4744778293. The cubic root of 1315329705 is about 1095.6660612734. Note that the first 3 decimals are identical.

The spelling of 1315329705 in words is "one billion, three hundred fifteen million, three hundred twenty-nine thousand, seven hundred five".