142887287436 has 12 divisors (see below), whose sum is σ = 333403670712. Its totient is φ = 47629095808.

The previous prime is 142887287419. The next prime is 142887287441. The reversal of 142887287436 is 634782788241.

It is a happy number.

142887287436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 142887287436.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5953636965 + ... + 5953636988.

It is an arithmetic number, because the mean of its divisors is an integer number (27783639226).

Almost surely, 2^142887287436 is an apocalyptic number.

It is an amenable number.

142887287436 is an abundant number, since it is smaller than the sum of its proper divisors (190516383276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142887287436 is a wasteful number, since it uses less digits than its factorization.

142887287436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11907273960 (or 11907273958 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 60.

The spelling of 142887287436 in words is "one hundred forty-two billion, eight hundred eighty-seven million, two hundred eighty-seven thousand, four hundred thirty-six".