1314639 has 18 divisors (see below), whose sum is σ = 1968720. Its totient is φ = 845208.

The previous prime is 1314613. The next prime is 1314659. The reversal of 1314639 is 9364131.

1314639 is a `hidden beast` number, since 13 + 14 + 639 = 666.

It is not a de Polignac number, because 1314639 - 2⁹ = 1314127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16602 + ... + 16680.

2^1314639 is an apocalyptic number.

1314639 is a deficient number, since it is larger than the sum of its proper divisors (654081).

1314639 is an equidigital number, since it uses as much as digits as its factorization.

1314639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 125 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1314639 is about 1146.5770798337. The cubic root of 1314639 is about 109.5474242566.

It can be divided in two parts, 1314 and 639, that added together give a triangular number (1953 = T₆₂).

The spelling of 1314639 in words is "one million, three hundred fourteen thousand, six hundred thirty-nine".