1316753680 has 160 divisors (see below), whose sum is σ = 3540630528. Its totient is φ = 450700800.

The previous prime is 1316753639. The next prime is 1316753687. The reversal of 1316753680 is 863576131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1316753687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1355595 + ... + 1356565.

Almost surely, 2^1316753680 is an apocalyptic number.

1316753680 is a gapful number since it is divisible by the number (10) 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 1316753680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770315264).

1316753680 is an abundant number, since it is smaller than the sum of its proper divisors (2223876848).

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

1316753680 is a wasteful number, since it uses less digits than its factorization.

1316753680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1316753680 is about 36287.1007384167. The cubic root of 1316753680 is about 1096.0613077752.

The spelling of 1316753680 in words is "one billion, three hundred sixteen million, seven hundred fifty-three thousand, six hundred eighty".