140678202658271 has 8 divisors (see below), whose sum is σ = 149725170281664. Its totient is φ = 131716988282880.

The previous prime is 140678202658127. The next prime is 140678202658309. The reversal of 140678202658271 is 172856202876041.

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 140678202658271 - 2²² = 140678198463967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140678202658271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140678202658471) 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, 21438308615 + ... + 21438315176.

It is an arithmetic number, because the mean of its divisors is an integer number (18715646285208).

Almost surely, 2^{140678202658271} is an apocalyptic number.

140678202658271 is a deficient number, since it is larger than the sum of its proper divisors (9046967623393).

140678202658271 is a wasteful number, since it uses less digits than its factorization.

140678202658271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42876624001.

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 140678202658271 in words is "one hundred forty trillion, six hundred seventy-eight billion, two hundred two million, six hundred fifty-eight thousand, two hundred seventy-one".