14139269 has 4 divisors (see below), whose sum is σ = 14626860. Its totient is φ = 13651680.

The previous prime is 14139259. The next prime is 14139271. The reversal of 14139269 is 96293141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96293141 = 7 ⋅13756163.

It can be written as a sum of positive squares in 2 ways, for example, as 8673025 + 5466244 = 2945^2 + 2338^2 .

It is a cyclic number.

It is not a de Polignac number, because 14139269 - 2⁴ = 14139253 is a prime.

It is a super-2 number, since 2×14139269² = 399837855708722, 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 (14139259) 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, 243752 + ... + 243809.

It is an arithmetic number, because the mean of its divisors is an integer number (3656715).

Almost surely, 2^14139269 is an apocalyptic number.

It is an amenable number.

14139269 is a deficient number, since it is larger than the sum of its proper divisors (487591).

14139269 is an equidigital number, since it uses as much as digits as its factorization.

14139269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487590.

The product of its digits is 11664, while the sum is 35.

The square root of 14139269 is about 3760.2219349395. The cubic root of 14139269 is about 241.8107768826.

The spelling of 14139269 in words is "fourteen million, one hundred thirty-nine thousand, two hundred sixty-nine".