13550142 has 8 divisors (see below), whose sum is σ = 27100296. Its totient is φ = 4516712.

The previous prime is 13550129. The next prime is 13550143. The reversal of 13550142 is 24105531.

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

13550142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13550143) by changing a digit.

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, 1129173 + ... + 1129184.

It is an arithmetic number, because the mean of its divisors is an integer number (3387537).

Almost surely, 2^13550142 is an apocalyptic number.

13550142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13550142 is a wasteful number, since it uses less digits than its factorization.

13550142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258362.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 13550142 is about 3681.0517518774. The cubic root of 13550142 is about 238.4045915779.

Adding to 13550142 its reverse (24105531), we get a palindrome (37655673).

The spelling of 13550142 in words is "thirteen million, five hundred fifty thousand, one hundred forty-two".