139365059 has 2 divisors, whose sum is σ = 139365060. Its totient is φ = 139365058.

The previous prime is 139365043. The next prime is 139365131. The reversal of 139365059 is 950563931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139365059 - 2⁴ = 139365043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (139365959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69682529 + 69682530.

It is an arithmetic number, because the mean of its divisors is an integer number (69682530).

Almost surely, 2^139365059 is an apocalyptic number.

139365059 is a deficient number, since it is larger than the sum of its proper divisors (1).

139365059 is an equidigital number, since it uses as much as digits as its factorization.

139365059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109350, while the sum is 41.

The square root of 139365059 is about 11805.2979208489. The cubic root of 139365059 is about 518.4632377635.

The spelling of 139365059 in words is "one hundred thirty-nine million, three hundred sixty-five thousand, fifty-nine".