139000799 has 24 divisors (see below), whose sum is σ = 174584160. Its totient is φ = 110007744.

The previous prime is 139000793. The next prime is 139000801. The reversal of 139000799 is 997000931.

It is a happy number.

It is not a de Polignac number, because 139000799 - 2¹⁶ = 138935263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139000793) 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 in 23 ways as a sum of consecutive naturals, for example, 30557 + ... + 34809.

It is an arithmetic number, because the mean of its divisors is an integer number (7274340).

Almost surely, 2^139000799 is an apocalyptic number.

139000799 is a deficient number, since it is larger than the sum of its proper divisors (35583361).

139000799 is a wasteful number, since it uses less digits than its factorization.

139000799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319 (or 4312 counting only the distinct ones).

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 139000799 is about 11789.8600076506. The cubic root of 139000799 is about 518.0111392784.

The spelling of 139000799 in words is "one hundred thirty-nine million, seven hundred ninety-nine", and thus it is an aban number.