142120303140 has 24 divisors (see below), whose sum is σ = 397936848960. Its totient is φ = 37898747488.

The previous prime is 142120303133. The next prime is 142120303189. The reversal of 142120303140 is 41303021241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184335800 + ... + 1184335919.

It is an arithmetic number, because the mean of its divisors is an integer number (16580702040).

Almost surely, 2^142120303140 is an apocalyptic number.

142120303140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142120303140 is an abundant number, since it is smaller than the sum of its proper divisors (255816545820).

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

142120303140 is a wasteful number, since it uses less digits than its factorization.

142120303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368671731 (or 2368671729 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 142120303140 its reverse (41303021241), we get a palindrome (183423324381).

The spelling of 142120303140 in words is "one hundred forty-two billion, one hundred twenty million, three hundred three thousand, one hundred forty".