139002 has 8 divisors (see below), whose sum is σ = 278016. Its totient is φ = 46332.

The previous prime is 138977. The next prime is 139021. The reversal of 139002 is 200931.

It is a sphenic number, since it is the product of 3 distinct primes.

139002 is an admirable number.

It is an unprimeable number.

139002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11578 + ... + 11589.

It is an arithmetic number, because the mean of its divisors is an integer number (34752).

2¹³⁹⁰⁰² is an apocalyptic number.

139002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139002 is a wasteful number, since it uses less digits than its factorization.

139002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23172.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 139002 is about 372.8297198454. The cubic root of 139002 is about 51.8012631187.

Adding to 139002 its reverse (200931), we get a palindrome (339933).

The spelling of 139002 in words is "one hundred thirty-nine thousand, two".