13515142 has 8 divisors (see below), whose sum is σ = 20329056. Its totient is φ = 6738792.

The previous prime is 13515133. The next prime is 13515157. The reversal of 13515142 is 24151531.

It is a happy number.

13515142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8473 + ... + 9940.

It is an arithmetic number, because the mean of its divisors is an integer number (2541132).

Almost surely, 2^13515142 is an apocalyptic number.

13515142 is a deficient number, since it is larger than the sum of its proper divisors (6813914).

13515142 is a wasteful number, since it uses less digits than its factorization.

13515142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18782.

The product of its digits is 600, while the sum is 22.

The square root of 13515142 is about 3676.2946019056. The cubic root of 13515142 is about 238.1991483347.

Adding to 13515142 its reverse (24151531), we get a palindrome (37666673).

The spelling of 13515142 in words is "thirteen million, five hundred fifteen thousand, one hundred forty-two".