139986004 has 24 divisors (see below), whose sum is σ = 257660928. Its totient is φ = 66417120.

The previous prime is 139985971. The next prime is 139986029. The reversal of 139986004 is 400689931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5694 + ... + 17674.

It is an arithmetic number, because the mean of its divisors is an integer number (10735872).

Almost surely, 2^139986004 is an apocalyptic number.

It is an amenable number.

139986004 is a deficient number, since it is larger than the sum of its proper divisors (117674924).

139986004 is a wasteful number, since it uses less digits than its factorization.

139986004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12135 (or 12133 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 139986004 is about 11831.5681124693. The cubic root of 139986004 is about 519.2321062400.

It can be divided in two parts, 13998 and 6004, that added together give a palindrome (20002).

The spelling of 139986004 in words is "one hundred thirty-nine million, nine hundred eighty-six thousand, four".