1314388445 has 4 divisors (see below), whose sum is σ = 1577266140. Its totient is φ = 1051510752.

The previous prime is 1314388399. The next prime is 1314388487. The reversal of 1314388445 is 5448834131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 633126244 + 681262201 = 25162^2 + 26101^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314388445 - 2¹² = 1314384349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131438840 + ... + 131438849.

It is an arithmetic number, because the mean of its divisors is an integer number (394316535).

Almost surely, 2^1314388445 is an apocalyptic number.

It is an amenable number.

1314388445 is a deficient number, since it is larger than the sum of its proper divisors (262877695).

1314388445 is an equidigital number, since it uses as much as digits as its factorization.

1314388445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262877694.

The product of its digits is 184320, while the sum is 41.

The square root of 1314388445 is about 36254.4955143497. The cubic root of 1314388445 is about 1095.4046432339.

The spelling of 1314388445 in words is "one billion, three hundred fourteen million, three hundred eighty-eight thousand, four hundred forty-five".