140223120 has 80 divisors (see below), whose sum is σ = 449703360. Its totient is φ = 36101632.

The previous prime is 140223101. The next prime is 140223131. The reversal of 140223120 is 21322041.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 140223120.

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 15 ways as a sum of consecutive naturals, for example, 3114 + ... + 17033.

It is an arithmetic number, because the mean of its divisors is an integer number (5621292).

Almost surely, 2^140223120 is an apocalyptic number.

140223120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140223120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224851680).

140223120 is an abundant number, since it is smaller than the sum of its proper divisors (309480240).

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

140223120 is a wasteful number, since it uses less digits than its factorization.

140223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20192 (or 20186 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140223120 is about 11841.5843534554. The cubic root of 140223120 is about 519.5251088429.

Adding to 140223120 its reverse (21322041), we get a palindrome (161545161).

The spelling of 140223120 in words is "one hundred forty million, two hundred twenty-three thousand, one hundred twenty".