14138705 has 12 divisors (see below), whose sum is σ = 19736820. Its totient is φ = 9694944.

The previous prime is 14138693. The next prime is 14138711. The reversal of 14138705 is 50783141.

It can be written as a sum of positive squares in 2 ways, for example, as 2660161 + 11478544 = 1631^2 + 3388^2 .

It is not a de Polignac number, because 14138705 - 2¹⁰ = 14137681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28610 + ... + 29099.

It is an arithmetic number, because the mean of its divisors is an integer number (1644735).

Almost surely, 2^14138705 is an apocalyptic number.

It is an amenable number.

14138705 is a deficient number, since it is larger than the sum of its proper divisors (5598115).

14138705 is an equidigital number, since it uses as much as digits as its factorization.

14138705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57728 (or 57721 counting only the distinct ones).

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

The square root of 14138705 is about 3760.1469386182. The cubic root of 14138705 is about 241.8075616506.

The spelling of 14138705 in words is "fourteen million, one hundred thirty-eight thousand, seven hundred five".