142124021434 has 16 divisors (see below), whose sum is σ = 215990956800. Its totient is φ = 70127922384.

The previous prime is 142124021393. The next prime is 142124021461. The reversal of 142124021434 is 434120421241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101584 + ... + 542740.

It is an arithmetic number, because the mean of its divisors is an integer number (13499434800).

Almost surely, 2^142124021434 is an apocalyptic number.

142124021434 is a deficient number, since it is larger than the sum of its proper divisors (73866935366).

142124021434 is a wasteful number, since it uses less digits than its factorization.

142124021434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443277.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 142124021434 its reverse (434120421241), we get a palindrome (576244442675).

The spelling of 142124021434 in words is "one hundred forty-two billion, one hundred twenty-four million, twenty-one thousand, four hundred thirty-four".