1256342314 has 4 divisors (see below), whose sum is σ = 1884513474. Its totient is φ = 628171156.

The previous prime is 1256342299. The next prime is 1256342323. The reversal of 1256342314 is 4132436521.

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

It can be written as a sum of positive squares in only one way, i.e., 762036025 + 494306289 = 27605^2 + 22233^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314085577 + ... + 314085580.

Almost surely, 2^1256342314 is an apocalyptic number.

1256342314 is a deficient number, since it is larger than the sum of its proper divisors (628171160).

1256342314 is an equidigital number, since it uses as much as digits as its factorization.

1256342314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628171159.

The product of its digits is 17280, while the sum is 31.

The square root of 1256342314 is about 35444.9194384752. The cubic root of 1256342314 is about 1079.0361525289.

Adding to 1256342314 its reverse (4132436521), we get a palindrome (5388778835).

The spelling of 1256342314 in words is "one billion, two hundred fifty-six million, three hundred forty-two thousand, three hundred fourteen".