142131314443 has 4 divisors (see below), whose sum is σ = 149611909960. Its totient is φ = 134650718928.

The previous prime is 142131314407. The next prime is 142131314447. The reversal of 142131314443 is 344413131241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142131314443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142131314447) 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, 3740297730 + ... + 3740297767.

It is an arithmetic number, because the mean of its divisors is an integer number (37402977490).

Almost surely, 2^142131314443 is an apocalyptic number.

142131314443 is a deficient number, since it is larger than the sum of its proper divisors (7480595517).

142131314443 is an equidigital number, since it uses as much as digits as its factorization.

142131314443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480595516.

The product of its digits is 13824, while the sum is 31.

Adding to 142131314443 its reverse (344413131241), we get a palindrome (486544445684).

The spelling of 142131314443 in words is "one hundred forty-two billion, one hundred thirty-one million, three hundred fourteen thousand, four hundred forty-three".