1314438687 has 6 divisors (see below), whose sum is σ = 1898633672. Its totient is φ = 876292452.

The previous prime is 1314438679. The next prime is 1314438709. The reversal of 1314438687 is 7868344131.

1314438687 is a `hidden beast` number, since 131 + 4 + 438 + 6 + 87 = 666.

It is not a de Polignac number, because 1314438687 - 2³ = 1314438679 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 (1314438607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73024363 + ... + 73024380.

Almost surely, 2^1314438687 is an apocalyptic number.

1314438687 is a deficient number, since it is larger than the sum of its proper divisors (584194985).

1314438687 is a wasteful number, since it uses less digits than its factorization.

1314438687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146048749 (or 146048746 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1314438687 is about 36255.1884149014. The cubic root of 1314438687 is about 1095.4186001984.

The spelling of 1314438687 in words is "one billion, three hundred fourteen million, four hundred thirty-eight thousand, six hundred eighty-seven".