1386894542 has 8 divisors (see below), whose sum is σ = 2269463832. Its totient is φ = 630406600.

The previous prime is 1386894541. The next prime is 1386894547. The reversal of 1386894542 is 2454986831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386894541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31520309 + ... + 31520352.

It is an arithmetic number, because the mean of its divisors is an integer number (283682979).

Almost surely, 2^1386894542 is an apocalyptic number.

1386894542 is a deficient number, since it is larger than the sum of its proper divisors (882569290).

1386894542 is a wasteful number, since it uses less digits than its factorization.

1386894542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63040674.

The product of its digits is 1658880, while the sum is 50.

The square root of 1386894542 is about 37241.0330415256. The cubic root of 1386894542 is about 1115.1872950465.

The spelling of 1386894542 in words is "one billion, three hundred eighty-six million, eight hundred ninety-four thousand, five hundred forty-two".