60205139 has 2 divisors, whose sum is σ = 60205140. Its totient is φ = 60205138.

The previous prime is 60205133. The next prime is 60205147. The reversal of 60205139 is 93150206.

60205139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60205139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60205133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30102569 + 30102570.

It is an arithmetic number, because the mean of its divisors is an integer number (30102570).

Almost surely, 2^60205139 is an apocalyptic number.

60205139 is a deficient number, since it is larger than the sum of its proper divisors (1).

60205139 is an equidigital number, since it uses as much as digits as its factorization.

60205139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 60205139 is about 7759.1970589746. The cubic root of 60205139 is about 391.9324188473.

The spelling of 60205139 in words is "sixty million, two hundred five thousand, one hundred thirty-nine".