14064140 has 24 divisors (see below), whose sum is σ = 29736672. Its totient is φ = 5587200.

The previous prime is 14064137. The next prime is 14064191. The reversal of 14064140 is 4146041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 7 ways as a sum of consecutive naturals, for example, 692 + ... + 5348.

It is an arithmetic number, because the mean of its divisors is an integer number (1239028).

Almost surely, 2^14064140 is an apocalyptic number.

14064140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14064140 is an abundant number, since it is smaller than the sum of its proper divisors (15672532).

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

14064140 is a wasteful number, since it uses less digits than its factorization.

14064140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817 (or 4815 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 14064140 is about 3750.2186602917. The cubic root of 14064140 is about 241.3817289131.

The spelling of 14064140 in words is "fourteen million, sixty-four thousand, one hundred forty".