1314278965 has 4 divisors (see below), whose sum is σ = 1577134764. Its totient is φ = 1051423168.

The previous prime is 1314278929. The next prime is 1314278969. The reversal of 1314278965 is 5698724131.

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 335402596 + 978876369 = 18314^2 + 31287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314278965 - 2⁹ = 1314278453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314278969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131427892 + ... + 131427901.

It is an arithmetic number, because the mean of its divisors is an integer number (394283691).

Almost surely, 2^1314278965 is an apocalyptic number.

It is an amenable number.

1314278965 is a deficient number, since it is larger than the sum of its proper divisors (262855799).

1314278965 is an equidigital number, since it uses as much as digits as its factorization.

1314278965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262855798.

The product of its digits is 362880, while the sum is 46.

The square root of 1314278965 is about 36252.9856011888. The cubic root of 1314278965 is about 1095.3742290311.

The spelling of 1314278965 in words is "one billion, three hundred fourteen million, two hundred seventy-eight thousand, nine hundred sixty-five".