14040123542542 has 4 divisors (see below), whose sum is σ = 21060185313816. Its totient is φ = 7020061771270.

The previous prime is 14040123542531. The next prime is 14040123542561. The reversal of 14040123542542 is 24524532104041.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510030885634 + ... + 3510030885637.

It is an arithmetic number, because the mean of its divisors is an integer number (5265046328454).

Almost surely, 2^{14040123542542} is an apocalyptic number.

14040123542542 is a deficient number, since it is larger than the sum of its proper divisors (7020061771274).

14040123542542 is an equidigital number, since it uses as much as digits as its factorization.

14040123542542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020061771273.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 14040123542542 its reverse (24524532104041), we get a palindrome (38564655646583).

The spelling of 14040123542542 in words is "fourteen trillion, forty billion, one hundred twenty-three million, five hundred forty-two thousand, five hundred forty-two".