139980180 has 48 divisors (see below), whose sum is σ = 392926464. Its totient is φ = 37234560.

The previous prime is 139980133. The next prime is 139980209. The reversal of 139980180 is 81089931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23154 + ... + 28566.

It is an arithmetic number, because the mean of its divisors is an integer number (8185968).

Almost surely, 2^139980180 is an apocalyptic number.

139980180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139980180 is an abundant number, since it is smaller than the sum of its proper divisors (252946284).

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

139980180 is a wasteful number, since it uses less digits than its factorization.

139980180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 139980180 is about 11831.3219886875. The cubic root of 139980180 is about 519.2249054018.

The spelling of 139980180 in words is "one hundred thirty-nine million, nine hundred eighty thousand, one hundred eighty".