1386854642 has 8 divisors (see below), whose sum is σ = 2114385132. Its totient is φ = 682059600.

The previous prime is 1386854603. The next prime is 1386854653. The reversal of 1386854642 is 2464586831.

It can be written as a sum of positive squares in 2 ways, for example, as 1386147361 + 707281 = 37231^2 + 841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5683709 + ... + 5683952.

Almost surely, 2^1386854642 is an apocalyptic number.

1386854642 is a deficient number, since it is larger than the sum of its proper divisors (727530490).

1386854642 is a wasteful number, since it uses less digits than its factorization.

1386854642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11367724.

The product of its digits is 1105920, while the sum is 47.

The square root of 1386854642 is about 37240.4973382472. The cubic root of 1386854642 is about 1115.1766005541.

The spelling of 1386854642 in words is "one billion, three hundred eighty-six million, eight hundred fifty-four thousand, six hundred forty-two".