139041 has 12 divisors (see below), whose sum is σ = 229632. Its totient is φ = 79416.

The previous prime is 139033. The next prime is 139067. The reversal of 139041 is 140931.

It is not a de Polignac number, because 139041 - 2³ = 139033 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1041 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (19136).

2¹³⁹⁰⁴¹ is an apocalyptic number.

It is an amenable number.

139041 is a deficient number, since it is larger than the sum of its proper divisors (90591).

139041 is a wasteful number, since it uses less digits than its factorization.

139041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 139041 is about 372.8820188746. The cubic root of 139041 is about 51.8061073184.

Adding to 139041 its reverse (140931), we get a palindrome (279972).

It can be divided in two parts, 1390 and 41, that added together give a triangular number (1431 = T₅₃).

The spelling of 139041 in words is "one hundred thirty-nine thousand, forty-one".