142387936439 has 12 divisors (see below), whose sum is σ = 172306349712. Its totient is φ = 114864258240.

The previous prime is 142387936393. The next prime is 142387936451. The reversal of 142387936439 is 934639783241.

It is not a de Polignac number, because 142387936439 - 2¹⁶ = 142387870903 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142387936469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4099034 + ... + 4133624.

It is an arithmetic number, because the mean of its divisors is an integer number (14358862476).

Almost surely, 2^142387936439 is an apocalyptic number.

142387936439 is a deficient number, since it is larger than the sum of its proper divisors (29918413273).

142387936439 is an frugal number, since it uses more digits than its factorization.

142387936439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69206 (or 34615 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 59.

The spelling of 142387936439 in words is "one hundred forty-two billion, three hundred eighty-seven million, nine hundred thirty-six thousand, four hundred thirty-nine".