13642142 has 8 divisors (see below), whose sum is σ = 20601000. Its totient is φ = 6775144.

The previous prime is 13642103. The next prime is 13642163. The reversal of 13642142 is 24124631.

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

It is a super-2 number, since 2×13642142² = 372216076696328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22592 + ... + 23187.

It is an arithmetic number, because the mean of its divisors is an integer number (2575125).

Almost surely, 2^13642142 is an apocalyptic number.

13642142 is a deficient number, since it is larger than the sum of its proper divisors (6958858).

13642142 is a wasteful number, since it uses less digits than its factorization.

13642142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45930.

The product of its digits is 1152, while the sum is 23.

The square root of 13642142 is about 3693.5270406483. The cubic root of 13642142 is about 238.9429320512.

Adding to 13642142 its reverse (24124631), we get a palindrome (37766773).

The spelling of 13642142 in words is "thirteen million, six hundred forty-two thousand, one hundred forty-two".