139052 has 6 divisors (see below), whose sum is σ = 243348. Its totient is φ = 69524.

The previous prime is 139033. The next prime is 139067. The reversal of 139052 is 250931.

139052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17378 + ... + 17385.

It is an arithmetic number, because the mean of its divisors is an integer number (40558).

2¹³⁹⁰⁵² is an apocalyptic number.

It is an amenable number.

139052 is a deficient number, since it is larger than the sum of its proper divisors (104296).

139052 is a wasteful number, since it uses less digits than its factorization.

139052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34767 (or 34765 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 139052 is about 372.8967685567. The cubic root of 139052 is about 51.8074734674.

Adding to 139052 its reverse (250931), we get a palindrome (389983).

The spelling of 139052 in words is "one hundred thirty-nine thousand, fifty-two".