80486139 has 4 divisors (see below), whose sum is σ = 107314856. Its totient is φ = 53657424.

The previous prime is 80486117. The next prime is 80486141. The reversal of 80486139 is 93168408.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80486139 - 2¹⁵ = 80453371 is a prime.

It is a super-2 number, since 2×80486139² = 12956037142254642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80486097 and 80486106.

It is not an unprimeable number, because it can be changed into a prime (80446139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13414354 + ... + 13414359.

It is an arithmetic number, because the mean of its divisors is an integer number (26828714).

Almost surely, 2^80486139 is an apocalyptic number.

80486139 is a deficient number, since it is larger than the sum of its proper divisors (26828717).

80486139 is a wasteful number, since it uses less digits than its factorization.

80486139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26828716.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 80486139 is about 8971.4067458788. The cubic root of 80486139 is about 431.7579716390.

The spelling of 80486139 in words is "eighty million, four hundred eighty-six thousand, one hundred thirty-nine".