1316402352340 has 12 divisors (see below), whose sum is σ = 2764444939956. Its totient is φ = 526560940928.

The previous prime is 1316402352337. The next prime is 1316402352367. The reversal of 1316402352340 is 432532046131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 191203303824 + 1125199048516 = 437268^2 + 1060754^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1316402352296 and 1316402352305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32910058789 + ... + 32910058828.

It is an arithmetic number, because the mean of its divisors is an integer number (230370411663).

Almost surely, 2^{1316402352340} is an apocalyptic number.

1316402352340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316402352340 is an abundant number, since it is smaller than the sum of its proper divisors (1448042587616).

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

1316402352340 is a wasteful number, since it uses less digits than its factorization.

1316402352340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65820117626 (or 65820117624 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 1316402352340 its reverse (432532046131), we get a palindrome (1748934398471).

The spelling of 1316402352340 in words is "one trillion, three hundred sixteen billion, four hundred two million, three hundred fifty-two thousand, three hundred forty".