142011421142 has 8 divisors (see below), whose sum is σ = 213424431816. Its totient is φ = 70869943872.

The previous prime is 142011421141. The next prime is 142011421151. The reversal of 142011421142 is 241124110241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142011421141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67882043 + ... + 67884134.

It is an arithmetic number, because the mean of its divisors is an integer number (26678053977).

Almost surely, 2^142011421142 is an apocalyptic number.

142011421142 is a deficient number, since it is larger than the sum of its proper divisors (71413010674).

142011421142 is a wasteful number, since it uses less digits than its factorization.

142011421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135766702.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 142011421142 its reverse (241124110241), we get a palindrome (383135531383).

The spelling of 142011421142 in words is "one hundred forty-two billion, eleven million, four hundred twenty-one thousand, one hundred forty-two".