1314543999 has 4 divisors (see below), whose sum is σ = 1752725336. Its totient is φ = 876362664.

The previous prime is 1314543991. The next prime is 1314544027. The reversal of 1314543999 is 9993454131.

It is a happy number.

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

It is not a de Polignac number, because 1314543999 - 2³ = 1314543991 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 (1314543991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219090664 + ... + 219090669.

It is an arithmetic number, because the mean of its divisors is an integer number (438181334).

Almost surely, 2^1314543999 is an apocalyptic number.

1314543999 is a deficient number, since it is larger than the sum of its proper divisors (438181337).

1314543999 is an equidigital number, since it uses as much as digits as its factorization.

1314543999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438181336.

The product of its digits is 524880, while the sum is 48.

The square root of 1314543999 is about 36256.6407572461. The cubic root of 1314543999 is about 1095.4478541667.

The spelling of 1314543999 in words is "one billion, three hundred fourteen million, five hundred forty-three thousand, nine hundred ninety-nine".