139189004 has 6 divisors (see below), whose sum is σ = 243580764. Its totient is φ = 69594500.

The previous prime is 139188997. The next prime is 139189019. The reversal of 139189004 is 400981931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17398622 + ... + 17398629.

It is an arithmetic number, because the mean of its divisors is an integer number (40596794).

Almost surely, 2^139189004 is an apocalyptic number.

It is an amenable number.

139189004 is a deficient number, since it is larger than the sum of its proper divisors (104391760).

139189004 is a wasteful number, since it uses less digits than its factorization.

139189004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34797255 (or 34797253 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 139189004 is about 11797.8389546561. The cubic root of 139189004 is about 518.2448269483.

It can be divided in two parts, 13918 and 9004, that added together give a palindrome (22922).

The spelling of 139189004 in words is "one hundred thirty-nine million, one hundred eighty-nine thousand, four".