142131202132420 has 24 divisors (see below), whose sum is σ = 298491040986264. Its totient is φ = 56849525327616.

The previous prime is 142131202132369. The next prime is 142131202132421. The reversal of 142131202132420 is 24231202131241.

142131202132420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6613990645824 + 135517211486596 = 2571768^2 + 11641186^2 .

It is not an unprimeable number, because it can be changed into a prime (142131202132421) 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, 184325977 + ... + 185095456.

It is an arithmetic number, because the mean of its divisors is an integer number (12437126707761).

Almost surely, 2^{142131202132420} is an apocalyptic number.

142131202132420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142131202132420 is an abundant number, since it is smaller than the sum of its proper divisors (156359838853844).

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

142131202132420 is a wasteful number, since it uses less digits than its factorization.

142131202132420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369440679 (or 369440677 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 142131202132420 its reverse (24231202131241), we get a palindrome (166362404263661).

The spelling of 142131202132420 in words is "one hundred forty-two trillion, one hundred thirty-one billion, two hundred two million, one hundred thirty-two thousand, four hundred twenty".