13539142 has 8 divisors (see below), whose sum is σ = 20381832. Its totient is φ = 6745200.

The previous prime is 13539137. The next prime is 13539161. The reversal of 13539142 is 24193531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13539142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11484 + ... + 12607.

It is an arithmetic number, because the mean of its divisors is an integer number (2547729).

Almost surely, 2^13539142 is an apocalyptic number.

13539142 is a deficient number, since it is larger than the sum of its proper divisors (6842690).

13539142 is a wasteful number, since it uses less digits than its factorization.

13539142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24374.

The product of its digits is 3240, while the sum is 28.

The square root of 13539142 is about 3679.5573103296. The cubic root of 13539142 is about 238.3400618614.

The spelling of 13539142 in words is "thirteen million, five hundred thirty-nine thousand, one hundred forty-two".