142008387271 has 4 divisors (see below), whose sum is σ = 142024731912. Its totient is φ = 141992042632.

The previous prime is 142008387259. The next prime is 142008387341. The reversal of 142008387271 is 172783800241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172783800241 = 13 ⋅13291061557.

It is a cyclic number.

It is not a de Polignac number, because 142008387271 - 2⁵ = 142008387239 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 (142008387211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8159281 + ... + 8176666.

It is an arithmetic number, because the mean of its divisors is an integer number (35506182978).

Almost surely, 2^142008387271 is an apocalyptic number.

142008387271 is a deficient number, since it is larger than the sum of its proper divisors (16344641).

142008387271 is an equidigital number, since it uses as much as digits as its factorization.

142008387271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16344640.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 142008387271 in words is "one hundred forty-two billion, eight million, three hundred eighty-seven thousand, two hundred seventy-one".