160139549 has 2 divisors, whose sum is σ = 160139550. Its totient is φ = 160139548.

The previous prime is 160139519. The next prime is 160139621. The reversal of 160139549 is 945931061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136305625 + 23833924 = 11675^2 + 4882^2 .

It is an emirp because it is prime and its reverse (945931061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160139549 - 2²⁴ = 143362333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160139519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80069774 + 80069775.

It is an arithmetic number, because the mean of its divisors is an integer number (80069775).

Almost surely, 2^160139549 is an apocalyptic number.

It is an amenable number.

160139549 is a deficient number, since it is larger than the sum of its proper divisors (1).

160139549 is an equidigital number, since it uses as much as digits as its factorization.

160139549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 160139549 is about 12654.6255969902. The cubic root of 160139549 is about 543.0413083988.

The spelling of 160139549 in words is "one hundred sixty million, one hundred thirty-nine thousand, five hundred forty-nine".