14138507 has 4 divisors (see below), whose sum is σ = 14154096. Its totient is φ = 14122920.

The previous prime is 14138503. The next prime is 14138513. The reversal of 14138507 is 70583141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70583141 = 89 ⋅793069.

It is a cyclic number.

It is not a de Polignac number, because 14138507 - 2² = 14138503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14138507.

It is not an unprimeable number, because it can be changed into a prime (14138503) 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, 6344 + ... + 8277.

It is an arithmetic number, because the mean of its divisors is an integer number (3538524).

Almost surely, 2^14138507 is an apocalyptic number.

14138507 is a deficient number, since it is larger than the sum of its proper divisors (15589).

14138507 is an equidigital number, since it uses as much as digits as its factorization.

14138507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15588.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 14138507 is about 3760.1206097677. The cubic root of 14138507 is about 241.8064328787.

The spelling of 14138507 in words is "fourteen million, one hundred thirty-eight thousand, five hundred seven".