13557142 has 8 divisors (see below), whose sum is σ = 20831832. Its totient is φ = 6613200.

The previous prime is 13557119. The next prime is 13557149. The reversal of 13557142 is 24175531.

It is a happy number.

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 13557142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13557149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82584 + ... + 82747.

It is an arithmetic number, because the mean of its divisors is an integer number (2603979).

Almost surely, 2^13557142 is an apocalyptic number.

13557142 is a deficient number, since it is larger than the sum of its proper divisors (7274690).

13557142 is a wasteful number, since it uses less digits than its factorization.

13557142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165374.

The product of its digits is 4200, while the sum is 28.

The square root of 13557142 is about 3682.0024443229. The cubic root of 13557142 is about 238.4456377615.

The spelling of 13557142 in words is "thirteen million, five hundred fifty-seven thousand, one hundred forty-two".