142420011140 has 48 divisors (see below), whose sum is σ = 343443481920. Its totient is φ = 49063351680.

The previous prime is 142420011137. The next prime is 142420011187. The reversal of 142420011140 is 41110024241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17031707 + ... + 17040066.

It is an arithmetic number, because the mean of its divisors is an integer number (7155072540).

Almost surely, 2^142420011140 is an apocalyptic number.

142420011140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142420011140 is an abundant number, since it is smaller than the sum of its proper divisors (201023470780).

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

142420011140 is a wasteful number, since it uses less digits than its factorization.

142420011140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34071812 (or 34071810 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 142420011140 its reverse (41110024241), we get a palindrome (183530035381).

The spelling of 142420011140 in words is "one hundred forty-two billion, four hundred twenty million, eleven thousand, one hundred forty".