142134270 has 64 divisors (see below), whose sum is σ = 350602560. Its totient is φ = 36864000.

The previous prime is 142134259. The next prime is 142134277. The reversal of 142134270 is 72431241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142134270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142134277) 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 31 ways as a sum of consecutive naturals, for example, 184446 + ... + 185214.

It is an arithmetic number, because the mean of its divisors is an integer number (5478165).

Almost surely, 2^142134270 is an apocalyptic number.

142134270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142134270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175301280).

142134270 is an abundant number, since it is smaller than the sum of its proper divisors (208468290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142134270 is a wasteful number, since it uses less digits than its factorization.

142134270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 142134270 is about 11922.0078007020. The cubic root of 142134270 is about 521.8747295587.

The spelling of 142134270 in words is "one hundred forty-two million, one hundred thirty-four thousand, two hundred seventy".