139059 has 6 divisors (see below), whose sum is σ = 200876. Its totient is φ = 92700.

The previous prime is 139033. The next prime is 139067. The reversal of 139059 is 950931.

It is not a de Polignac number, because 139059 - 2⁹ = 138547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7717 + ... + 7734.

2¹³⁹⁰⁵⁹ is an apocalyptic number.

139059 is a deficient number, since it is larger than the sum of its proper divisors (61817).

139059 is a wasteful number, since it uses less digits than its factorization.

139059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15457 (or 15454 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 139059 is about 372.9061544142. The cubic root of 139059 is about 51.8083427974.

It can be divided in two parts, 1 and 39059, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 139059 in words is "one hundred thirty-nine thousand, fifty-nine".