140994362671 has 8 divisors (see below), whose sum is σ = 141632794688. Its totient is φ = 140356800000.

The previous prime is 140994362669. The next prime is 140994362701. The reversal of 140994362671 is 176263499041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 9-Lehmer number, since φ(140994362671) divides (140994362671-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 140994362671 - 2¹ = 140994362669 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 (140994366671) 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, 108871 + ... + 542071.

It is an arithmetic number, because the mean of its divisors is an integer number (17704099336).

Almost surely, 2^140994362671 is an apocalyptic number.

140994362671 is the 216791-st hex number.

140994362671 is a deficient number, since it is larger than the sum of its proper divisors (638432017).

140994362671 is a wasteful number, since it uses less digits than its factorization.

140994362671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434673.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 140994362671 in words is "one hundred forty billion, nine hundred ninety-four million, three hundred sixty-two thousand, six hundred seventy-one".