1314628738 has 4 divisors (see below), whose sum is σ = 1971943110. Its totient is φ = 657314368.

The previous prime is 1314628709. The next prime is 1314628747. The reversal of 1314628738 is 8378264131.

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., 1258333729 + 56295009 = 35473^2 + 7503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1314628694 and 1314628703.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328657183 + ... + 328657186.

Almost surely, 2^1314628738 is an apocalyptic number.

1314628738 is a deficient number, since it is larger than the sum of its proper divisors (657314372).

1314628738 is an equidigital number, since it uses as much as digits as its factorization.

1314628738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657314371.

The product of its digits is 193536, while the sum is 43.

The square root of 1314628738 is about 36257.8093381274. The cubic root of 1314628738 is about 1095.4713921543.

The spelling of 1314628738 in words is "one billion, three hundred fourteen million, six hundred twenty-eight thousand, seven hundred thirty-eight".