142134402433321 has 4 divisors (see below), whose sum is σ = 143541673744644. Its totient is φ = 140727131122000.

The previous prime is 142134402433313. The next prime is 142134402433363. The reversal of 142134402433321 is 123334204431241.

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 117844290183321 + 24290112250000 = 10855611^2 + 4928500^2 .

It is a cyclic number.

It is not a de Polignac number, because 142134402433321 - 2³ = 142134402433313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142134402403321) 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, 703635655510 + ... + 703635655711.

It is an arithmetic number, because the mean of its divisors is an integer number (35885418436161).

Almost surely, 2^{142134402433321} is an apocalyptic number.

It is an amenable number.

142134402433321 is a deficient number, since it is larger than the sum of its proper divisors (1407271311323).

142134402433321 is a wasteful number, since it uses less digits than its factorization.

142134402433321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407271311322.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 142134402433321 its reverse (123334204431241), we get a palindrome (265468606864562).

The spelling of 142134402433321 in words is "one hundred forty-two trillion, one hundred thirty-four billion, four hundred two million, four hundred thirty-three thousand, three hundred twenty-one".