1315530460 has 24 divisors (see below), whose sum is σ = 2776936176. Its totient is φ = 523484160.

The previous prime is 1315530367. The next prime is 1315530479. The reversal of 1315530460 is 640355131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166546 + ... + 174265.

It is an arithmetic number, because the mean of its divisors is an integer number (115705674).

Almost surely, 2^1315530460 is an apocalyptic number.

1315530460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315530460 is an abundant number, since it is smaller than the sum of its proper divisors (1461405716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315530460 is a wasteful number, since it uses less digits than its factorization.

1315530460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341013 (or 341011 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1315530460 is about 36270.2420725310. The cubic root of 1315530460 is about 1095.7218012270.

Adding to 1315530460 its reverse (640355131), we get a palindrome (1955885591).

The spelling of 1315530460 in words is "one billion, three hundred fifteen million, five hundred thirty thousand, four hundred sixty".