139336 has 8 divisors (see below), whose sum is σ = 261270. Its totient is φ = 69664.

The previous prime is 139333. The next prime is 139339. The reversal of 139336 is 633931.

It is an interprime number because it is at equal distance from previous prime (139333) and next prime (139339).

It can be written as a sum of positive squares in only one way, i.e., 86436 + 52900 = 294^2 + 230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 139336.

It is not an unprimeable number, because it can be changed into a prime (139333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8701 + ... + 8716.

2¹³⁹³³⁶ is an apocalyptic number.

It is an amenable number.

139336 is a deficient number, since it is larger than the sum of its proper divisors (121934).

139336 is a wasteful number, since it uses less digits than its factorization.

139336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17423 (or 17419 counting only the distinct ones).

The product of its digits is 1458, while the sum is 25.

The square root of 139336 is about 373.2773767589. The cubic root of 139336 is about 51.8427200346.

The spelling of 139336 in words is "one hundred thirty-nine thousand, three hundred thirty-six".