80140389 has 16 divisors (see below), whose sum is σ = 122339328. Its totient is φ = 45711792.

The previous prime is 80140351. The next prime is 80140393. The reversal of 80140389 is 98304108.

It is not a de Polignac number, because 80140389 - 2⁸ = 80140133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80140339) 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 15 ways as a sum of consecutive naturals, for example, 9604 + ... + 15890.

It is an arithmetic number, because the mean of its divisors is an integer number (7646208).

Almost surely, 2^80140389 is an apocalyptic number.

It is an amenable number.

80140389 is a deficient number, since it is larger than the sum of its proper divisors (42198939).

80140389 is a wasteful number, since it uses less digits than its factorization.

80140389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 80140389 is about 8952.1164536661. The cubic root of 80140389 is about 431.1388398225.

The spelling of 80140389 in words is "eighty million, one hundred forty thousand, three hundred eighty-nine".