139244589 has 48 divisors (see below), whose sum is σ = 230053824. Its totient is φ = 83462400.

The previous prime is 139244563. The next prime is 139244617. The reversal of 139244589 is 985442931.

It is not a de Polignac number, because 139244589 - 2⁸ = 139244333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139244519) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 301819 + ... + 302279.

It is an arithmetic number, because the mean of its divisors is an integer number (4792788).

Almost surely, 2^139244589 is an apocalyptic number.

It is an amenable number.

139244589 is a deficient number, since it is larger than the sum of its proper divisors (90809235).

139244589 is a wasteful number, since it uses less digits than its factorization.

139244589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 588 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 139244589 is about 11800.1944475504. The cubic root of 139244589 is about 518.3138046311.

The spelling of 139244589 in words is "one hundred thirty-nine million, two hundred forty-four thousand, five hundred eighty-nine".