239981140 has 24 divisors (see below), whose sum is σ = 575955072. Its totient is φ = 82279200.

The previous prime is 239981123. The next prime is 239981167. The reversal of 239981140 is 41189932.

239981140 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 239981140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856936 + ... + 857215.

It is an arithmetic number, because the mean of its divisors is an integer number (23998128).

Almost surely, 2^239981140 is an apocalyptic number.

239981140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239981140 is an abundant number, since it is smaller than the sum of its proper divisors (335973932).

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

239981140 is a wasteful number, since it uses less digits than its factorization.

239981140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714167 (or 1714165 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 239981140 is about 15491.3246689881. The cubic root of 239981140 is about 621.4302223185.

The spelling of 239981140 in words is "two hundred thirty-nine million, nine hundred eighty-one thousand, one hundred forty".