14139530 has 16 divisors (see below), whose sum is σ = 26329320. Its totient is φ = 5460672.

The previous prime is 14139523. The next prime is 14139533. The reversal of 14139530 is 3593141.

It can be written as a sum of positive squares in 4 ways, for example, as 9259849 + 4879681 = 3043^2 + 2209^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14139530.

It is not an unprimeable number, because it can be changed into a prime (14139533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24089 + ... + 24668.

Almost surely, 2^14139530 is an apocalyptic number.

14139530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14139530 is a deficient number, since it is larger than the sum of its proper divisors (12189790).

14139530 is a wasteful number, since it uses less digits than its factorization.

14139530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48793.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 14139530 is about 3760.2566401776. The cubic root of 14139530 is about 241.8122647536.

The spelling of 14139530 in words is "fourteen million, one hundred thirty-nine thousand, five hundred thirty".