1321736314 has 16 divisors (see below), whose sum is σ = 1991750400. Its totient is φ = 657827424.

The previous prime is 1321736293. The next prime is 1321736323. The reversal of 1321736314 is 4136371231.

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, 436297 + ... + 439315.

It is an arithmetic number, because the mean of its divisors is an integer number (124484400).

Almost surely, 2^1321736314 is an apocalyptic number.

1321736314 is a deficient number, since it is larger than the sum of its proper divisors (670014086).

1321736314 is a wasteful number, since it uses less digits than its factorization.

1321736314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957.

The product of its digits is 9072, while the sum is 31.

The square root of 1321736314 is about 36355.6916314351. The cubic root of 1321736314 is about 1097.4420768409.

The spelling of 1321736314 in words is "one billion, three hundred twenty-one million, seven hundred thirty-six thousand, three hundred fourteen".