1316404346 has 4 divisors (see below), whose sum is σ = 1974606522. Its totient is φ = 658202172.

The previous prime is 1316404307. The next prime is 1316404357. The reversal of 1316404346 is 6434046131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6434046131 = 2833 ⋅2271107.

It can be written as a sum of positive squares in only one way, i.e., 962550625 + 353853721 = 31025^2 + 18811^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 329101085 + ... + 329101088.

Almost surely, 2^1316404346 is an apocalyptic number.

1316404346 is a deficient number, since it is larger than the sum of its proper divisors (658202176).

1316404346 is an equidigital number, since it uses as much as digits as its factorization.

1316404346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658202175.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1316404346 is about 36282.2869455606. The cubic root of 1316404346 is about 1095.9643710557.

The spelling of 1316404346 in words is "one billion, three hundred sixteen million, four hundred four thousand, three hundred forty-six".