139029 has 12 divisors (see below), whose sum is σ = 204288. Its totient is φ = 84040.

The previous prime is 139021. The next prime is 139033. The reversal of 139029 is 920931.

It is a happy number.

139029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139029 - 2³ = 139021 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, 172 + ... + 554.

It is an arithmetic number, because the mean of its divisors is an integer number (17024).

2¹³⁹⁰²⁹ is an apocalyptic number.

It is an amenable number.

139029 is a deficient number, since it is larger than the sum of its proper divisors (65259).

139029 is a wasteful number, since it uses less digits than its factorization.

139029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 139029 is about 372.8659276469. The cubic root of 139029 is about 51.8046168919.

The spelling of 139029 in words is "one hundred thirty-nine thousand, twenty-nine".