142001262140 has 96 divisors (see below), whose sum is σ = 320442200064. Its totient is φ = 52667458560.

The previous prime is 142001262133. The next prime is 142001262211. The reversal of 142001262140 is 41262100241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10349885 + ... + 10363595.

It is an arithmetic number, because the mean of its divisors is an integer number (3337939584).

Almost surely, 2^142001262140 is an apocalyptic number.

142001262140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142001262140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160221100032).

142001262140 is an abundant number, since it is smaller than the sum of its proper divisors (178440937924).

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

142001262140 is a wasteful number, since it uses less digits than its factorization.

142001262140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14187 (or 14185 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 142001262140 its reverse (41262100241), we get a palindrome (183263362381).

The spelling of 142001262140 in words is "one hundred forty-two billion, one million, two hundred sixty-two thousand, one hundred forty".