14140807 has 4 divisors (see below), whose sum is σ = 14885080. Its totient is φ = 13396536.

The previous prime is 14140781. The next prime is 14140811. The reversal of 14140807 is 70804141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14140807 - 2²³ = 5752199 is a prime.

It is a super-2 number, since 2×14140807² = 399924845222498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14140817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372108 + ... + 372145.

It is an arithmetic number, because the mean of its divisors is an integer number (3721270).

Almost surely, 2^14140807 is an apocalyptic number.

14140807 is a deficient number, since it is larger than the sum of its proper divisors (744273).

14140807 is an equidigital number, since it uses as much as digits as its factorization.

14140807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744272.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 14140807 is about 3760.4264385838. The cubic root of 14140807 is about 241.8195442263.

Adding to 14140807 its reverse (70804141), we get a palindrome (84944948).

The spelling of 14140807 in words is "fourteen million, one hundred forty thousand, eight hundred seven".