142134220149 has 8 divisors (see below), whose sum is σ = 189518112960. Its totient is φ = 94753237056.

The previous prime is 142134220099. The next prime is 142134220171. The reversal of 142134220149 is 941022431241.

142134220149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142134220149 - 2⁷ = 142134220021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142134224149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610777 + ... + 810750.

It is an arithmetic number, because the mean of its divisors is an integer number (23689764120).

Almost surely, 2^142134220149 is an apocalyptic number.

It is an amenable number.

142134220149 is a deficient number, since it is larger than the sum of its proper divisors (47383892811).

142134220149 is a wasteful number, since it uses less digits than its factorization.

142134220149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454859.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 142134220149 in words is "one hundred forty-two billion, one hundred thirty-four million, two hundred twenty thousand, one hundred forty-nine".