14139765 has 20 divisors (see below), whose sum is σ = 25347564. Its totient is φ = 7540992.

The previous prime is 14139757. The next prime is 14139773. The reversal of 14139765 is 56793141.

It is an interprime number because it is at equal distance from previous prime (14139757) and next prime (14139773).

It can be written as a sum of positive squares in 2 ways, for example, as 5948721 + 8191044 = 2439^2 + 2862^2 .

It is not a de Polignac number, because 14139765 - 2³ = 14139757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17052 + ... + 17861.

Almost surely, 2^14139765 is an apocalyptic number.

14139765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14139765 is a deficient number, since it is larger than the sum of its proper divisors (11207799).

14139765 is an equidigital number, since it uses as much as digits as its factorization.

14139765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34930 (or 34921 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 14139765 is about 3760.2878879150. The cubic root of 14139765 is about 241.8136043919.

The spelling of 14139765 in words is "fourteen million, one hundred thirty-nine thousand, seven hundred sixty-five".