140142271 has 8 divisors (see below), whose sum is σ = 156196080. Its totient is φ = 124956288.

The previous prime is 140142269. The next prime is 140142311. The reversal of 140142271 is 172241041.

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 140142271 - 2¹ = 140142269 is a prime.

It is a super-2 number, since 2×140142271² = 39279712242074882, which 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 (140142251) 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, 216616 + ... + 217261.

It is an arithmetic number, because the mean of its divisors is an integer number (19524510).

Almost surely, 2^140142271 is an apocalyptic number.

140142271 is a deficient number, since it is larger than the sum of its proper divisors (16053809).

140142271 is a wasteful number, since it uses less digits than its factorization.

140142271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433913.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 140142271 is about 11838.1700866308. The cubic root of 140142271 is about 519.4252414299.

The spelling of 140142271 in words is "one hundred forty million, one hundred forty-two thousand, two hundred seventy-one".