1347318140 has 96 divisors (see below), whose sum is σ = 3351828480. Its totient is φ = 445326336.

The previous prime is 1347318113. The next prime is 1347318169. The reversal of 1347318140 is 418137431.

It is a junction number, because it is equal to n+sod(n) for n = 1347318097 and 1347318106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474164 + ... + 476996.

It is an arithmetic number, because the mean of its divisors is an integer number (34914880).

Almost surely, 2^1347318140 is an apocalyptic number.

1347318140 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 1347318140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675914240).

1347318140 is an abundant number, since it is smaller than the sum of its proper divisors (2004510340).

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

1347318140 is a wasteful number, since it uses less digits than its factorization.

1347318140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971 (or 2969 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1347318140 is about 36705.8325065649. The cubic root of 1347318140 is about 1104.4771083775.

It can be divided in two parts, 13473 and 18140, that added together give a palindrome (31613).

The spelling of 1347318140 in words is "one billion, three hundred forty-seven million, three hundred eighteen thousand, one hundred forty".