13729142 has 16 divisors (see below), whose sum is σ = 23585280. Its totient is φ = 5871528.

The previous prime is 13729141. The next prime is 13729147. The reversal of 13729142 is 24192731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13729141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9683 + ... + 11009.

It is an arithmetic number, because the mean of its divisors is an integer number (1474080).

Almost surely, 2^13729142 is an apocalyptic number.

13729142 is a deficient number, since it is larger than the sum of its proper divisors (9856138).

13729142 is a wasteful number, since it uses less digits than its factorization.

13729142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075.

The product of its digits is 3024, while the sum is 29.

The square root of 13729142 is about 3705.2856839925. The cubic root of 13729142 is about 239.4497928383.

The spelling of 13729142 in words is "thirteen million, seven hundred twenty-nine thousand, one hundred forty-two".