80139141 has 12 divisors (see below), whose sum is σ = 115876332. Its totient is φ = 53370816.

The previous prime is 80139121. The next prime is 80139149. The reversal of 80139141 is 14193108.

It can be written as a sum of positive squares in 2 ways, for example, as 49999041 + 30140100 = 7071^2 + 5490^2 .

It is not a de Polignac number, because 80139141 - 2¹⁰ = 80138117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80139149) 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 in 11 ways as a sum of consecutive naturals, for example, 5815 + ... + 13931.

It is an arithmetic number, because the mean of its divisors is an integer number (9656361).

Almost surely, 2^80139141 is an apocalyptic number.

It is an amenable number.

80139141 is a deficient number, since it is larger than the sum of its proper divisors (35737191).

80139141 is a wasteful number, since it uses less digits than its factorization.

80139141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9220 (or 9217 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 80139141 is about 8952.0467492077. The cubic root of 80139141 is about 431.1366018163.

The spelling of 80139141 in words is "eighty million, one hundred thirty-nine thousand, one hundred forty-one".