142118736420 has 24 divisors (see below), whose sum is σ = 397932462144. Its totient is φ = 37898329696.

The previous prime is 142118736391. The next prime is 142118736421. The reversal of 142118736420 is 24637811241.

It is not an unprimeable number, because it can be changed into a prime (142118736421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184322744 + ... + 1184322863.

It is an arithmetic number, because the mean of its divisors is an integer number (16580519256).

Almost surely, 2^142118736420 is an apocalyptic number.

142118736420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142118736420 is an abundant number, since it is smaller than the sum of its proper divisors (255813725724).

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

142118736420 is a wasteful number, since it uses less digits than its factorization.

142118736420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368645619 (or 2368645617 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 142118736420 in words is "one hundred forty-two billion, one hundred eighteen million, seven hundred thirty-six thousand, four hundred twenty".