142131400134224 has 20 divisors (see below), whose sum is σ = 280047038401920. Its totient is φ = 69861196675680.

The previous prime is 142131400134223. The next prime is 142131400134271. The reversal of 142131400134224 is 422431004131241.

It is a super-2 number, since 2×142131400134224² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142131400134223) 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, 75281460992 + ... + 75281462879.

It is an arithmetic number, because the mean of its divisors is an integer number (14002351920096).

Almost surely, 2^{142131400134224} is an apocalyptic number.

It is an amenable number.

142131400134224 is a deficient number, since it is larger than the sum of its proper divisors (137915638267696).

142131400134224 is a wasteful number, since it uses less digits than its factorization.

142131400134224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150562923938 (or 150562923932 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 142131400134224 its reverse (422431004131241), we get a palindrome (564562404265465).

The spelling of 142131400134224 in words is "one hundred forty-two trillion, one hundred thirty-one billion, four hundred million, one hundred thirty-four thousand, two hundred twenty-four".