1314273438 has 20 divisors (see below), whose sum is σ = 2944946400. Its totient is φ = 438091092.

The previous prime is 1314273437. The next prime is 1314273449. The reversal of 1314273438 is 8343724131.

1314273438 is a `hidden beast` number, since 13 + 142 + 73 + 438 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314273437) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4056238 + ... + 4056561.

It is an arithmetic number, because the mean of its divisors is an integer number (147247320).

Almost surely, 2^1314273438 is an apocalyptic number.

1314273438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1314273438 is an abundant number, since it is smaller than the sum of its proper divisors (1630672962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1314273438 is an equidigital number, since it uses as much as digits as its factorization.

1314273438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8112813 (or 8112804 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 1314273438 is about 36252.9093729041. The cubic root of 1314273438 is about 1095.3726935524.

Adding to 1314273438 its reverse (8343724131), we get a palindrome (9657997569).

The spelling of 1314273438 in words is "one billion, three hundred fourteen million, two hundred seventy-three thousand, four hundred thirty-eight".