14071978142 has 8 divisors (see below), whose sum is σ = 21214038000. Its totient is φ = 7000632144.

The previous prime is 14071978093. The next prime is 14071978147. The reversal of 14071978142 is 24187917041.

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

It is a junction number, because it is equal to n+sod(n) for n = 14071978093 and 14071978102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14071978147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17677967 + ... + 17678762.

It is an arithmetic number, because the mean of its divisors is an integer number (2651754750).

Almost surely, 2^14071978142 is an apocalyptic number.

14071978142 is a deficient number, since it is larger than the sum of its proper divisors (7142059858).

14071978142 is a wasteful number, since it uses less digits than its factorization.

14071978142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35356930.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 14071978142 in words is "fourteen billion, seventy-one million, nine hundred seventy-eight thousand, one hundred forty-two".