139328380 has 12 divisors (see below), whose sum is σ = 292589640. Its totient is φ = 55731344.

The previous prime is 139328377. The next prime is 139328381. The reversal of 139328380 is 83823931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139328381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3483190 + ... + 3483229.

It is an arithmetic number, because the mean of its divisors is an integer number (24382470).

Almost surely, 2^139328380 is an apocalyptic number.

139328380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139328380 is an abundant number, since it is smaller than the sum of its proper divisors (153261260).

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

139328380 is a wasteful number, since it uses less digits than its factorization.

139328380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966428 (or 6966426 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 139328380 is about 11803.7443211889. The cubic root of 139328380 is about 518.4177496002.

The spelling of 139328380 in words is "one hundred thirty-nine million, three hundred twenty-eight thousand, three hundred eighty".