1320316478 has 16 divisors (see below), whose sum is σ = 2137030560. Its totient is φ = 608173536.

The previous prime is 1320316457. The next prime is 1320316489. The reversal of 1320316478 is 8746130231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36650 + ... + 63117.

It is an arithmetic number, because the mean of its divisors is an integer number (133564410).

Almost surely, 2^1320316478 is an apocalyptic number.

1320316478 is a deficient number, since it is larger than the sum of its proper divisors (816714082).

1320316478 is a wasteful number, since it uses less digits than its factorization.

1320316478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100291.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1320316478 is about 36336.1593732744. The cubic root of 1320316478 is about 1097.0489711886.

The spelling of 1320316478 in words is "one billion, three hundred twenty million, three hundred sixteen thousand, four hundred seventy-eight".