139065500 has 48 divisors (see below), whose sum is σ = 347116224. Its totient is φ = 47678400.

The previous prime is 139065467. The next prime is 139065523. The reversal of 139065500 is 5560931.

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 15 ways as a sum of consecutive naturals, for example, 16367 + ... + 23366.

It is an arithmetic number, because the mean of its divisors is an integer number (7231588).

Almost surely, 2^139065500 is an apocalyptic number.

139065500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139065500 is an abundant number, since it is smaller than the sum of its proper divisors (208050724).

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

139065500 is a wasteful number, since it uses less digits than its factorization.

139065500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39759 (or 39747 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 139065500 is about 11792.6036141303. The cubic root of 139065500 is about 518.0915000630.

The spelling of 139065500 in words is "one hundred thirty-nine million, sixty-five thousand, five hundred".