139385496 has 32 divisors (see below), whose sum is σ = 353376000. Its totient is φ = 45806880.

The previous prime is 139385461. The next prime is 139385507. The reversal of 139385496 is 694583931.

It is a congruent number.

It is an unprimeable number.

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, 39196 + ... + 42603.

It is an arithmetic number, because the mean of its divisors is an integer number (11043000).

Almost surely, 2^139385496 is an apocalyptic number.

It is an amenable number.

139385496 is an abundant number, since it is smaller than the sum of its proper divisors (213990504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139385496 is a wasteful number, since it uses less digits than its factorization.

139385496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81879 (or 81875 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 139385496 is about 11806.1634750667. The cubic root of 139385496 is about 518.4885796375.

The spelling of 139385496 in words is "one hundred thirty-nine million, three hundred eighty-five thousand, four hundred ninety-six".