14205140 has 12 divisors (see below), whose sum is σ = 29830836. Its totient is φ = 5682048.

The previous prime is 14205137. The next prime is 14205167. The reversal of 14205140 is 4150241.

It can be written as a sum of positive squares in 2 ways, for example, as 2617924 + 11587216 = 1618^2 + 3404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355109 + ... + 355148.

It is an arithmetic number, because the mean of its divisors is an integer number (2485903).

Almost surely, 2^14205140 is an apocalyptic number.

14205140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14205140 is an abundant number, since it is smaller than the sum of its proper divisors (15625696).

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

14205140 is a wasteful number, since it uses less digits than its factorization.

14205140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710266 (or 710264 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 14205140 is about 3768.9706817645. The cubic root of 14205140 is about 242.1857054185.

Adding to 14205140 its reverse (4150241), we get a palindrome (18355381).

The spelling of 14205140 in words is "fourteen million, two hundred five thousand, one hundred forty".