1316326464 has 140 divisors (see below), whose sum is σ = 4028366848. Its totient is φ = 424569600.

The previous prime is 1316326463. The next prime is 1316326469. The reversal of 1316326464 is 4646236131.

1316326464 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 3 + 2 + 646 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1316326463) 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 in 19 ways as a sum of consecutive naturals, for example, 156609 + ... + 164799.

Almost surely, 2^1316326464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316326464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2014183424).

1316326464 is an abundant number, since it is smaller than the sum of its proper divisors (2712040384).

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

1316326464 is an equidigital number, since it uses as much as digits as its factorization.

1316326464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8246 (or 8227 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 1316326464 is about 36281.2136511446. The cubic root of 1316326464 is about 1095.9427572355.

The spelling of 1316326464 in words is "one billion, three hundred sixteen million, three hundred twenty-six thousand, four hundred sixty-four".