321361140 has 24 divisors (see below), whose sum is σ = 899811360. Its totient is φ = 85696288.

The previous prime is 321361121. The next prime is 321361163. The reversal of 321361140 is 41163123.

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, 2677950 + ... + 2678069.

It is an arithmetic number, because the mean of its divisors is an integer number (37492140).

Almost surely, 2^321361140 is an apocalyptic number.

321361140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321361140 is an abundant number, since it is smaller than the sum of its proper divisors (578450220).

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

321361140 is a wasteful number, since it uses less digits than its factorization.

321361140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356031 (or 5356029 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 321361140 is about 17926.5484686819. The cubic root of 321361140 is about 684.9588054862.

The spelling of 321361140 in words is "three hundred twenty-one million, three hundred sixty-one thousand, one hundred forty".