139332500 has 30 divisors (see below), whose sum is σ = 304697778. Its totient is φ = 55732000.

The previous prime is 139332499. The next prime is 139332521. The reversal of 139332500 is 5233931.

139332500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 25867396 + 113465104 = 5086^2 + 10652^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 139332500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25367 + ... + 30366.

Almost surely, 2^139332500 is an apocalyptic number.

139332500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139332500 is an abundant number, since it is smaller than the sum of its proper divisors (165365278).

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

139332500 is an equidigital number, since it uses as much as digits as its factorization.

139332500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55757 (or 55740 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 139332500 is about 11803.9188407918. The cubic root of 139332500 is about 518.4228594950.

The spelling of 139332500 in words is "one hundred thirty-nine million, three hundred thirty-two thousand, five hundred".