139059389 has 8 divisors (see below), whose sum is σ = 159407808. Its totient is φ = 118831680.

The previous prime is 139059383. The next prime is 139059407. The reversal of 139059389 is 983950931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139059389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139059383) 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 7 ways as a sum of consecutive naturals, for example, 27692 + ... + 32325.

It is an arithmetic number, because the mean of its divisors is an integer number (19925976).

Almost surely, 2^139059389 is an apocalyptic number.

It is an amenable number.

139059389 is a deficient number, since it is larger than the sum of its proper divisors (20348419).

139059389 is an equidigital number, since it uses as much as digits as its factorization.

139059389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60355.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 139059389 is about 11792.3445081968. The cubic root of 139059389 is about 518.0839110647.

The spelling of 139059389 in words is "one hundred thirty-nine million, fifty-nine thousand, three hundred eighty-nine".