142011423140 has 48 divisors (see below), whose sum is σ = 299072133360. Its totient is φ = 56643256320.

The previous prime is 142011423133. The next prime is 142011423149. The reversal of 142011423140 is 41324110241.

It can be written as a sum of positive squares in 8 ways, for example, as 5519598436 + 136491824704 = 74294^2 + 369448^2 .

It is not an unprimeable number, because it can be changed into a prime (142011423149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10558820 + ... + 10572260.

It is an arithmetic number, because the mean of its divisors is an integer number (6230669445).

Almost surely, 2^142011423140 is an apocalyptic number.

142011423140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142011423140 is an abundant number, since it is smaller than the sum of its proper divisors (157060710220).

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

142011423140 is a wasteful number, since it uses less digits than its factorization.

142011423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14912 (or 14910 counting only the distinct ones).

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

Adding to 142011423140 its reverse (41324110241), we get a palindrome (183335533381).

It can be divided in two parts, 14201 and 1423140, that added together give a palindrome (1437341).

The spelling of 142011423140 in words is "one hundred forty-two billion, eleven million, four hundred twenty-three thousand, one hundred forty".