1314256019 has 4 divisors (see below), whose sum is σ = 1316495544. Its totient is φ = 1312016496.

The previous prime is 1314256003. The next prime is 1314256033. The reversal of 1314256019 is 9106524131.

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

It is a cyclic number.

It is not a de Polignac number, because 1314256019 - 2⁴ = 1314256003 is a prime.

It is a super-2 number, since 2×1314256019² = 3454537766955456722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314256039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118882 + ... + 1120055.

It is an arithmetic number, because the mean of its divisors is an integer number (329123886).

Almost surely, 2^1314256019 is an apocalyptic number.

1314256019 is a deficient number, since it is larger than the sum of its proper divisors (2239525).

1314256019 is an equidigital number, since it uses as much as digits as its factorization.

1314256019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239524.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1314256019 is about 36252.6691293207. The cubic root of 1314256019 is about 1095.3678542801.

The spelling of 1314256019 in words is "one billion, three hundred fourteen million, two hundred fifty-six thousand, nineteen".