142001343871 has 8 divisors (see below), whose sum is σ = 142472794464. Its totient is φ = 141529989120.

The previous prime is 142001343857. The next prime is 142001343899. The reversal of 142001343871 is 178343100241.

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 142001343871 - 2³⁵ = 107641605503 is a prime.

It is a super-2 number, since 2×142001343871² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001343371) 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, 4123195 + ... + 4157491.

It is an arithmetic number, because the mean of its divisors is an integer number (17809099308).

Almost surely, 2^142001343871 is an apocalyptic number.

142001343871 is a deficient number, since it is larger than the sum of its proper divisors (471450593).

142001343871 is a wasteful number, since it uses less digits than its factorization.

142001343871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47921.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 142001343871 in words is "one hundred forty-two billion, one million, three hundred forty-three thousand, eight hundred seventy-one".