16590139 has 2 divisors, whose sum is σ = 16590140. Its totient is φ = 16590138.

The previous prime is 16590103. The next prime is 16590149. The reversal of 16590139 is 93109561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16590139 - 2⁹ = 16589627 is a prime.

It is not a weakly prime, because it can be changed into another prime (16590149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8295069 + 8295070.

It is an arithmetic number, because the mean of its divisors is an integer number (8295070).

Almost surely, 2^16590139 is an apocalyptic number.

16590139 is a deficient number, since it is larger than the sum of its proper divisors (1).

16590139 is an equidigital number, since it uses as much as digits as its factorization.

16590139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 16590139 is about 4073.0994340919. The cubic root of 16590139 is about 255.0449183975.

The spelling of 16590139 in words is "sixteen million, five hundred ninety thousand, one hundred thirty-nine".