142029509439 has 16 divisors (see below), whose sum is σ = 199223164800. Its totient is φ = 89871776736.

The previous prime is 142029509431. The next prime is 142029509473. The reversal of 142029509439 is 934905920241.

142029509439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142029509439 - 2³ = 142029509431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142029509431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13829809 + ... + 13840074.

It is an arithmetic number, because the mean of its divisors is an integer number (12451447800).

Almost surely, 2^142029509439 is an apocalyptic number.

142029509439 is a deficient number, since it is larger than the sum of its proper divisors (57193655361).

142029509439 is a wasteful number, since it uses less digits than its factorization.

142029509439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27669974.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 142029509439 in words is "one hundred forty-two billion, twenty-nine million, five hundred nine thousand, four hundred thirty-nine".