1346681344 has 20 divisors (see below), whose sum is σ = 2690733474. Its totient is φ = 673340416.

The previous prime is 1346681327. The next prime is 1346681351. The reversal of 1346681344 is 4431866431.

It can be written as a sum of positive squares in only one way, i.e., 917362944 + 429318400 = 30288^2 + 20720^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1346681297 and 1346681306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314607 + ... + 1315630.

Almost surely, 2^1346681344 is an apocalyptic number.

It is an amenable number.

1346681344 is a deficient number, since it is larger than the sum of its proper divisors (1344052130).

1346681344 is an frugal number, since it uses more digits than its factorization.

1346681344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630255 (or 2630239 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 1346681344 is about 36697.1571650993. The cubic root of 1346681344 is about 1104.3030743912.

The spelling of 1346681344 in words is "one billion, three hundred forty-six million, six hundred eighty-one thousand, three hundred forty-four".