142935871 has 8 divisors (see below), whose sum is σ = 156455264. Its totient is φ = 129777120.

The previous prime is 142935811. The next prime is 142935889. The reversal of 142935871 is 178539241.

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 142935871 - 2⁷ = 142935743 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 (142935811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89331 + ... + 90916.

It is an arithmetic number, because the mean of its divisors is an integer number (19556908).

Almost surely, 2^142935871 is an apocalyptic number.

142935871 is a deficient number, since it is larger than the sum of its proper divisors (13519393).

142935871 is a wasteful number, since it uses less digits than its factorization.

142935871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180321.

The product of its digits is 60480, while the sum is 40.

The square root of 142935871 is about 11955.5790742230. The cubic root of 142935871 is about 522.8539710537.

It can be divided in two parts, 14293 and 5871, that added together give a square (20164 = 142²).

The spelling of 142935871 in words is "one hundred forty-two million, nine hundred thirty-five thousand, eight hundred seventy-one".