142838107136 has 22 divisors (see below), whose sum is σ = 285536725980. Its totient is φ = 71419053056.

The previous prime is 142838107133. The next prime is 142838107141. The reversal of 142838107136 is 631701838241.

It is not an unprimeable number, because it can be changed into a prime (142838107133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69744146 + ... + 69746193.

It is an arithmetic number, because the mean of its divisors is an integer number (12978942090).

Almost surely, 2^142838107136 is an apocalyptic number.

142838107136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142838107136 is a deficient number, since it is larger than the sum of its proper divisors (142698618844).

142838107136 is an equidigital number, since it uses as much as digits as its factorization.

142838107136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139490359 (or 139490341 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 142838107136 in words is "one hundred forty-two billion, eight hundred thirty-eight million, one hundred seven thousand, one hundred thirty-six".