1315956648 has 64 divisors (see below), whose sum is σ = 3347688960. Its totient is φ = 430981056.

The previous prime is 1315956647. The next prime is 1315956659. The reversal of 1315956648 is 8466595131.

It is a junction number, because it is equal to n+sod(n) for n = 1315956597 and 1315956606.

It is not an unprimeable number, because it can be changed into a prime (1315956643) 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 in 15 ways as a sum of consecutive naturals, for example, 808011 + ... + 809637.

It is an arithmetic number, because the mean of its divisors is an integer number (52307640).

Almost surely, 2^1315956648 is an apocalyptic number.

It is an amenable number.

1315956648 is an abundant number, since it is smaller than the sum of its proper divisors (2031732312).

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

1315956648 is a wasteful number, since it uses less digits than its factorization.

1315956648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206 (or 2202 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 1315956648 is about 36276.1167712312. The cubic root of 1315956648 is about 1095.8401142263.

The spelling of 1315956648 in words is "one billion, three hundred fifteen million, nine hundred fifty-six thousand, six hundred forty-eight".