139043059 has 2 divisors, whose sum is σ = 139043060. Its totient is φ = 139043058.

The previous prime is 139043057. The next prime is 139043089. The reversal of 139043059 is 950340931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139043059 - 2¹ = 139043057 is a prime.

Together with 139043057, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (139043053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69521529 + 69521530.

It is an arithmetic number, because the mean of its divisors is an integer number (69521530).

Almost surely, 2^139043059 is an apocalyptic number.

139043059 is a deficient number, since it is larger than the sum of its proper divisors (1).

139043059 is an equidigital number, since it uses as much as digits as its factorization.

139043059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 139043059 is about 11791.6520895081. The cubic root of 139043059 is about 518.0636304218.

The spelling of 139043059 in words is "one hundred thirty-nine million, forty-three thousand, fifty-nine".