139582189 has 8 divisors (see below), whose sum is σ = 155571840. Its totient is φ = 124456896.

The previous prime is 139582187. The next prime is 139582207. The reversal of 139582189 is 981285931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139582189 - 2¹ = 139582187 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 (139582187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215749 + ... + 216394.

It is an arithmetic number, because the mean of its divisors is an integer number (19446480).

Almost surely, 2^139582189 is an apocalyptic number.

139582189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

139582189 is a deficient number, since it is larger than the sum of its proper divisors (15989651).

139582189 is a wasteful number, since it uses less digits than its factorization.

139582189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432179.

The product of its digits is 155520, while the sum is 46.

The square root of 139582189 is about 11814.4906365023. The cubic root of 139582189 is about 518.7323523488.

The spelling of 139582189 in words is "one hundred thirty-nine million, five hundred eighty-two thousand, one hundred eighty-nine".