1314636639 has 16 divisors (see below), whose sum is σ = 1882103040. Its totient is φ = 813249920.

The previous prime is 1314636637. The next prime is 1314636641. The reversal of 1314636639 is 9366364131.

It is an interprime number because it is at equal distance from previous prime (1314636637) and next prime (1314636641).

It is a cyclic number.

It is not a de Polignac number, because 1314636639 - 2¹ = 1314636637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1314636639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314636637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177909 + ... + 185150.

It is an arithmetic number, because the mean of its divisors is an integer number (117631440).

Almost surely, 2^1314636639 is an apocalyptic number.

1314636639 is a deficient number, since it is larger than the sum of its proper divisors (567466401).

1314636639 is a wasteful number, since it uses less digits than its factorization.

1314636639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363150.

The product of its digits is 209952, while the sum is 42.

The square root of 1314636639 is about 36257.9182938017. The cubic root of 1314636639 is about 1095.4735867669.

The spelling of 1314636639 in words is "one billion, three hundred fourteen million, six hundred thirty-six thousand, six hundred thirty-nine".