1316245632 has 256 divisors, whose sum is σ = 3958416000. Its totient is φ = 384860160.

The previous prime is 1316245631. The next prime is 1316245657. The reversal of 1316245632 is 2365426131.

It is a junction number, because it is equal to n+sod(n) for n = 1316245593 and 1316245602.

It is not an unprimeable number, because it can be changed into a prime (1316245631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12075594 + ... + 12075702.

Almost surely, 2^1316245632 is an apocalyptic number.

1316245632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316245632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1979208000).

1316245632 is an abundant number, since it is smaller than the sum of its proper divisors (2642170368).

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

1316245632 is a wasteful number, since it uses less digits than its factorization.

1316245632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 227 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 1316245632 is about 36280.0996691023. The cubic root of 1316245632 is about 1095.9203238294.

The spelling of 1316245632 in words is "one billion, three hundred sixteen million, two hundred forty-five thousand, six hundred thirty-two".