1316377774 has 4 divisors (see below), whose sum is σ = 1974566664. Its totient is φ = 658188886.

The previous prime is 1316377763. The next prime is 1316377781. The reversal of 1316377774 is 4777736131.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329094442 + ... + 329094445.

It is an arithmetic number, because the mean of its divisors is an integer number (493641666).

Almost surely, 2^1316377774 is an apocalyptic number.

1316377774 is a deficient number, since it is larger than the sum of its proper divisors (658188890).

1316377774 is an equidigital number, since it uses as much as digits as its factorization.

1316377774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658188889.

The product of its digits is 518616, while the sum is 46.

The square root of 1316377774 is about 36281.9207595188. The cubic root of 1316377774 is about 1095.9569968875.

The spelling of 1316377774 in words is "one billion, three hundred sixteen million, three hundred seventy-seven thousand, seven hundred seventy-four".