1316837340 has 288 divisors, whose sum is σ = 5206481280. Its totient is φ = 261439488.

The previous prime is 1316837339. The next prime is 1316837341. The reversal of 1316837340 is 437386131.

It is an interprime number because it is at equal distance from previous prime (1316837339) and next prime (1316837341).

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

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 1316837295 and 1316837304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316837341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 276096 + ... + 280824.

It is an arithmetic number, because the mean of its divisors is an integer number (18078060).

Almost surely, 2^1316837340 is an apocalyptic number.

1316837340 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 1316837340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2603240640).

1316837340 is an abundant number, since it is smaller than the sum of its proper divisors (3889643940).

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

1316837340 is a wasteful number, since it uses less digits than its factorization.

1316837340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781 (or 4776 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1316837340 is about 36288.2534713370. The cubic root of 1316837340 is about 1096.0845200505.

The spelling of 1316837340 in words is "one billion, three hundred sixteen million, eight hundred thirty-seven thousand, three hundred forty".