16248139 has 2 divisors, whose sum is σ = 16248140. Its totient is φ = 16248138.

The previous prime is 16248079. The next prime is 16248181. The reversal of 16248139 is 93184261.

It is a strong prime.

It is an emirp because it is prime and its reverse (93184261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16248139 - 2¹¹ = 16246091 is a prime.

It is not a weakly prime, because it can be changed into another prime (16242139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8124069 + 8124070.

It is an arithmetic number, because the mean of its divisors is an integer number (8124070).

Almost surely, 2^16248139 is an apocalyptic number.

16248139 is a deficient number, since it is larger than the sum of its proper divisors (1).

16248139 is an equidigital number, since it uses as much as digits as its factorization.

16248139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 16248139 is about 4030.8980388990. The cubic root of 16248139 is about 253.2801814082.

The spelling of 16248139 in words is "sixteen million, two hundred forty-eight thousand, one hundred thirty-nine".