139716052 has 18 divisors (see below), whose sum is σ = 284422362. Its totient is φ = 59878224.

The previous prime is 139716043. The next prime is 139716077. The reversal of 139716052 is 250617931.

139716052 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 can be written as a sum of positive squares in only one way, i.e., 103306896 + 36409156 = 10164^2 + 6034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 139715999 and 139716017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 356223 + ... + 356614.

Almost surely, 2^139716052 is an apocalyptic number.

It is an amenable number.

139716052 is an abundant number, since it is smaller than the sum of its proper divisors (144706310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139716052 is a wasteful number, since it uses less digits than its factorization.

139716052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712855 (or 712846 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 139716052 is about 11820.1544829160. The cubic root of 139716052 is about 518.8981253681.

The spelling of 139716052 in words is "one hundred thirty-nine million, seven hundred sixteen thousand, fifty-two".