13331142 has 40 divisors (see below), whose sum is σ = 32591592. Its totient is φ = 4039200.

The previous prime is 13331119. The next prime is 13331167. The reversal of 13331142 is 24113331.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 19 ways as a sum of consecutive naturals, for example, 1959 + ... + 5522.

Almost surely, 2^13331142 is an apocalyptic number.

13331142 is an abundant number, since it is smaller than the sum of its proper divisors (19260450).

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

13331142 is a wasteful number, since it uses less digits than its factorization.

13331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506 (or 7497 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 13331142 is about 3651.1836436969. The cubic root of 13331142 is about 237.1132290228.

Adding to 13331142 its reverse (24113331), we get a palindrome (37444473).

The spelling of 13331142 in words is "thirteen million, three hundred thirty-one thousand, one hundred forty-two".