142065871 has 8 divisors (see below), whose sum is σ = 150030720. Its totient is φ = 134250072.

The previous prime is 142065857. The next prime is 142065881. The reversal of 142065871 is 178560241.

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

It is a cyclic number.

It is not a de Polignac number, because 142065871 - 2⁷ = 142065743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142065841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35301 + ... + 39118.

It is an arithmetic number, because the mean of its divisors is an integer number (18753840).

Almost surely, 2^142065871 is an apocalyptic number.

142065871 is a deficient number, since it is larger than the sum of its proper divisors (7964849).

142065871 is an equidigital number, since it uses as much as digits as its factorization.

142065871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74525.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 142065871 is about 11919.1388531219. The cubic root of 142065871 is about 521.7910025376.

The spelling of 142065871 in words is "one hundred forty-two million, sixty-five thousand, eight hundred seventy-one".