142105213135 has 8 divisors (see below), whose sum is σ = 170531106480. Its totient is φ = 113680936704.

The previous prime is 142105213093. The next prime is 142105213139. The reversal of 142105213135 is 531312501241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142105213135 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142105213139) by changing a digit.

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, 201645 + ... + 569974.

It is an arithmetic number, because the mean of its divisors is an integer number (21316388310).

Almost surely, 2^142105213135 is an apocalyptic number.

142105213135 is a deficient number, since it is larger than the sum of its proper divisors (28425893345).

142105213135 is an equidigital number, since it uses as much as digits as its factorization.

142105213135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808457.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 142105213135 its reverse (531312501241), we get a palindrome (673417714376).

The spelling of 142105213135 in words is "one hundred forty-two billion, one hundred five million, two hundred thirteen thousand, one hundred thirty-five".