60138839 has 2 divisors, whose sum is σ = 60138840. Its totient is φ = 60138838.

The previous prime is 60138797. The next prime is 60138851. The reversal of 60138839 is 93883106.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60138839 - 2²⁰ = 59090263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60138889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30069419 + 30069420.

It is an arithmetic number, because the mean of its divisors is an integer number (30069420).

Almost surely, 2^60138839 is an apocalyptic number.

60138839 is a deficient number, since it is larger than the sum of its proper divisors (1).

60138839 is an equidigital number, since it uses as much as digits as its factorization.

60138839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 60138839 is about 7754.9235328274. The cubic root of 60138839 is about 391.7884961179.

The spelling of 60138839 in words is "sixty million, one hundred thirty-eight thousand, eight hundred thirty-nine".