1413661738 has 16 divisors (see below), whose sum is σ = 2179737000. Its totient is φ = 687116736.

The previous prime is 1413661729. The next prime is 1413661793. The reversal of 1413661738 is 8371663141.

It can be written as a sum of positive squares in 4 ways, for example, as 720761409 + 692900329 = 26847^2 + 26323^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1413661738.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81888 + ... + 97636.

Almost surely, 2^1413661738 is an apocalyptic number.

1413661738 is a deficient number, since it is larger than the sum of its proper divisors (766075262).

1413661738 is a wasteful number, since it uses less digits than its factorization.

1413661738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17001.

The product of its digits is 72576, while the sum is 40.

The square root of 1413661738 is about 37598.6933017625. The cubic root of 1413661738 is about 1122.3160348846.

The spelling of 1413661738 in words is "one billion, four hundred thirteen million, six hundred sixty-one thousand, seven hundred thirty-eight".