1314723889 has 4 divisors (see below), whose sum is σ = 1314803200. Its totient is φ = 1314644580.

The previous prime is 1314723871. The next prime is 1314723959. The reversal of 1314723889 is 9883274131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1314723889 - 2¹¹ = 1314721841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314723689) 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, 4257 + ... + 51454.

It is an arithmetic number, because the mean of its divisors is an integer number (328700800).

Almost surely, 2^1314723889 is an apocalyptic number.

It is an amenable number.

1314723889 is a deficient number, since it is larger than the sum of its proper divisors (79311).

1314723889 is an equidigital number, since it uses as much as digits as its factorization.

1314723889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79310.

The product of its digits is 290304, while the sum is 46.

The square root of 1314723889 is about 36259.1214592963. The cubic root of 1314723889 is about 1095.4978210821.

The spelling of 1314723889 in words is "one billion, three hundred fourteen million, seven hundred twenty-three thousand, eight hundred eighty-nine".