142142131424401 has 4 divisors (see below), whose sum is σ = 142150425899812. Its totient is φ = 142133836948992.

The previous prime is 142142131424393. The next prime is 142142131424443. The reversal of 142142131424401 is 104424131241241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9808766291025 + 132333365133376 = 3131895^2 + 11503624^2 .

It is a cyclic number.

It is not a de Polignac number, because 142142131424401 - 2³ = 142142131424393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142142131424201) 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, 4147212000 + ... + 4147246273.

It is an arithmetic number, because the mean of its divisors is an integer number (35537606474953).

Almost surely, 2^{142142131424401} is an apocalyptic number.

It is an amenable number.

142142131424401 is a deficient number, since it is larger than the sum of its proper divisors (8294475411).

142142131424401 is an equidigital number, since it uses as much as digits as its factorization.

142142131424401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8294475410.

The product of its (nonzero) digits is 24576, while the sum is 34.

Adding to 142142131424401 its reverse (104424131241241), we get a palindrome (246566262665642).

The spelling of 142142131424401 in words is "one hundred forty-two trillion, one hundred forty-two billion, one hundred thirty-one million, four hundred twenty-four thousand, four hundred one".