142134431045439 has 16 divisors (see below), whose sum is σ = 216590277722112. Its totient is φ = 81217995620448.

The previous prime is 142134431045413. The next prime is 142134431045449. The reversal of 142134431045439 is 934540134431241.

It is not a de Polignac number, because 142134431045439 - 2¹⁷ = 142134430914367 is a prime.

It is a super-2 number, since 2×142134431045439² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142134431045449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68929044 + ... + 70961129.

It is an arithmetic number, because the mean of its divisors is an integer number (13536892357632).

Almost surely, 2^{142134431045439} is an apocalyptic number.

142134431045439 is a deficient number, since it is larger than the sum of its proper divisors (74455846676673).

142134431045439 is a wasteful number, since it uses less digits than its factorization.

142134431045439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139938566.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 142134431045439 in words is "one hundred forty-two trillion, one hundred thirty-four billion, four hundred thirty-one million, forty-five thousand, four hundred thirty-nine".