140224000 has 160 divisors (see below), whose sum is σ = 400885056. Its totient is φ = 47923200.

The previous prime is 140223947. The next prime is 140224003. The reversal of 140224000 is 422041.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140224003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447844 + ... + 448156.

Almost surely, 2^140224000 is an apocalyptic number.

140224000 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 140224000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200442528).

140224000 is an abundant number, since it is smaller than the sum of its proper divisors (260661056).

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

140224000 is an frugal number, since it uses more digits than its factorization.

140224000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 140224000 is about 11841.6215105871. The cubic root of 140224000 is about 519.5261956374.

Adding to 140224000 its reverse (422041), we get a palindrome (140646041).

It can be divided in two parts, 140 and 224000, that multiplied together give a square (31360000 = 5600²).

The spelling of 140224000 in words is "one hundred forty million, two hundred twenty-four thousand".