142134107 has 4 divisors (see below), whose sum is σ = 142687416. Its totient is φ = 141580800.

The previous prime is 142134103. The next prime is 142134211. The reversal of 142134107 is 701431241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142134107 - 2² = 142134103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142134103) 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, 276269 + ... + 276782.

It is an arithmetic number, because the mean of its divisors is an integer number (35671854).

Almost surely, 2^142134107 is an apocalyptic number.

142134107 is a deficient number, since it is larger than the sum of its proper divisors (553309).

142134107 is an equidigital number, since it uses as much as digits as its factorization.

142134107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553308.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 142134107 is about 11922.0009646032. Note that the first 3 decimals coincide. The cubic root of 142134107 is about 521.8745300628.

Subtracting from 142134107 its sum of digits (23), we obtain a square (142134084 = 11922²).

Adding to 142134107 its reverse (701431241), we get a palindrome (843565348).

It can be divided in two parts, 142134 and 107, that added together give a palindrome (142241).

The spelling of 142134107 in words is "one hundred forty-two million, one hundred thirty-four thousand, one hundred seven".