142055121134 has 32 divisors (see below), whose sum is σ = 217176028416. Its totient is φ = 69673891840.

The previous prime is 142055121113. The next prime is 142055121161. The reversal of 142055121134 is 431121550241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142055121097 and 142055121106.

It is a congruent number.

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, 42440849 + ... + 42444195.

It is an arithmetic number, because the mean of its divisors is an integer number (6786750888).

Almost surely, 2^142055121134 is an apocalyptic number.

142055121134 is a deficient number, since it is larger than the sum of its proper divisors (75120907282).

142055121134 is a wasteful number, since it uses less digits than its factorization.

142055121134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 142055121134 its reverse (431121550241), we get a palindrome (573176671375).

The spelling of 142055121134 in words is "one hundred forty-two billion, fifty-five million, one hundred twenty-one thousand, one hundred thirty-four".