1316477340 has 96 divisors (see below), whose sum is σ = 4125408000. Its totient is φ = 348515136.

The previous prime is 1316477333. The next prime is 1316477347. The reversal of 1316477340 is 437746131.

1316477340 is a `hidden beast` number, since 1 + 3 + 1 + 647 + 7 + 3 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1316477333) and next prime (1316477347).

It is a super-2 number, since 2×1316477340² = 3466225173466951200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1316477295 and 1316477304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316477347) 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 31 ways as a sum of consecutive naturals, for example, 66291 + ... + 83829.

It is an arithmetic number, because the mean of its divisors is an integer number (42973000).

Almost surely, 2^1316477340 is an apocalyptic number.

1316477340 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 1316477340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2062704000).

1316477340 is an abundant number, since it is smaller than the sum of its proper divisors (2808930660).

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

1316477340 is a wasteful number, since it uses less digits than its factorization.

1316477340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17696 (or 17688 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 1316477340 is about 36283.2928494645. The cubic root of 1316477340 is about 1095.9846275838.

The spelling of 1316477340 in words is "one billion, three hundred sixteen million, four hundred seventy-seven thousand, three hundred forty".