1316048378 has 4 divisors (see below), whose sum is σ = 1974072570. Its totient is φ = 658024188.

The previous prime is 1316048359. The next prime is 1316048423. The reversal of 1316048378 is 8738406131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 733163929 + 582884449 = 27077^2 + 24143^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329012093 + ... + 329012096.

Almost surely, 2^1316048378 is an apocalyptic number.

1316048378 is a deficient number, since it is larger than the sum of its proper divisors (658024192).

1316048378 is an equidigital number, since it uses as much as digits as its factorization.

1316048378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658024191.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1316048378 is about 36277.3810796755. The cubic root of 1316048378 is about 1095.8655758245.

The spelling of 1316048378 in words is "one billion, three hundred sixteen million, forty-eight thousand, three hundred seventy-eight".