1316144 has 20 divisors (see below), whose sum is σ = 2610696. Its totient is φ = 642432.

The previous prime is 1316143. The next prime is 1316177. The reversal of 1316144 is 4416131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269 + ... + 1644.

2^1316144 is an apocalyptic number.

It is an amenable number.

1316144 is a deficient number, since it is larger than the sum of its proper divisors (1294552).

1316144 is a wasteful number, since it uses less digits than its factorization.

1316144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 1958 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1316144 is about 1147.2331933831. The cubic root of 1316144 is about 109.5892116470.

The spelling of 1316144 in words is "one million, three hundred sixteen thousand, one hundred forty-four".