139684316 has 6 divisors (see below), whose sum is σ = 244447560. Its totient is φ = 69842156.

The previous prime is 139684289. The next prime is 139684331. The reversal of 139684316 is 613486931.

139684316 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17460536 + ... + 17460543.

It is an arithmetic number, because the mean of its divisors is an integer number (40741260).

Almost surely, 2^139684316 is an apocalyptic number.

It is an amenable number.

139684316 is a deficient number, since it is larger than the sum of its proper divisors (104763244).

139684316 is a wasteful number, since it uses less digits than its factorization.

139684316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34921083 (or 34921081 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 139684316 is about 11818.8119538302. The cubic root of 139684316 is about 518.8588337771.

The spelling of 139684316 in words is "one hundred thirty-nine million, six hundred eighty-four thousand, three hundred sixteen".