60139 has 2 divisors, whose sum is σ = 60140. Its totient is φ = 60138.

The previous prime is 60133. The next prime is 60149. The reversal of 60139 is 93106.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60139 - 2⁵ = 60107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60133) by changing a digit.

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 as a sum of consecutive naturals, namely, 30069 + 30070.

It is an arithmetic number, because the mean of its divisors is an integer number (30070).

2⁶⁰¹³⁹ is an apocalyptic number.

60139 is a deficient number, since it is larger than the sum of its proper divisors (1).

60139 is an equidigital number, since it uses as much as digits as its factorization.

60139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 60139 is about 245.2325427018. The cubic root of 60139 is about 39.1788845742.

The spelling of 60139 in words is "sixty thousand, one hundred thirty-nine".