140084871 has 4 divisors (see below), whose sum is σ = 186779832. Its totient is φ = 93389912.

The previous prime is 140084869. The next prime is 140084887. The reversal of 140084871 is 178480041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178480041 = 3 ⋅59493347.

It is a cyclic number.

It is not a de Polignac number, because 140084871 - 2¹ = 140084869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140084851) 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, 23347476 + ... + 23347481.

It is an arithmetic number, because the mean of its divisors is an integer number (46694958).

Almost surely, 2^140084871 is an apocalyptic number.

140084871 is a deficient number, since it is larger than the sum of its proper divisors (46694961).

140084871 is an equidigital number, since it uses as much as digits as its factorization.

140084871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46694960.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 140084871 is about 11835.7454771552. The cubic root of 140084871 is about 519.3543156957.

The spelling of 140084871 in words is "one hundred forty million, eighty-four thousand, eight hundred seventy-one".