139036 has 6 divisors (see below), whose sum is σ = 243320. Its totient is φ = 69516.

The previous prime is 139033. The next prime is 139067. The reversal of 139036 is 630931.

139036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 138998 and 139016.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139036.

It is not an unprimeable number, because it can be changed into a prime (139033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17376 + ... + 17383.

2¹³⁹⁰³⁶ is an apocalyptic number.

It is an amenable number.

139036 is a deficient number, since it is larger than the sum of its proper divisors (104284).

139036 is a wasteful number, since it uses less digits than its factorization.

139036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34763 (or 34761 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 139036 is about 372.8753142808. The cubic root of 139036 is about 51.8054863178.

Adding to 139036 its reverse (630931), we get a palindrome (769967).

The spelling of 139036 in words is "one hundred thirty-nine thousand, thirty-six".