13442400142 has 4 divisors (see below), whose sum is σ = 20163600216. Its totient is φ = 6721200070.

The previous prime is 13442400137. The next prime is 13442400149. The reversal of 13442400142 is 24100424431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24100424431 = 211 ⋅114220021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442400149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360600034 + ... + 3360600037.

It is an arithmetic number, because the mean of its divisors is an integer number (5040900054).

Almost surely, 2^13442400142 is an apocalyptic number.

13442400142 is a deficient number, since it is larger than the sum of its proper divisors (6721200074).

13442400142 is an equidigital number, since it uses as much as digits as its factorization.

13442400142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6721200073.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 13442400142 its reverse (24100424431), we get a palindrome (37542824573).

The spelling of 13442400142 in words is "thirteen billion, four hundred forty-two million, four hundred thousand, one hundred forty-two".