140491564353279 has 6 divisors (see below), whose sum is σ = 202932259621416. Its totient is φ = 93661042902180.

The previous prime is 140491564353253. The next prime is 140491564353307. The reversal of 140491564353279 is 972353465194041.

140491564353279 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 9 + 1 + 5 + 6 + 4 + 353 + 279 = 666.

It is not a de Polignac number, because 140491564353279 - 2¹¹ = 140491564351231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140491564353209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7805086908507 + ... + 7805086908524.

It is an arithmetic number, because the mean of its divisors is an integer number (33822043270236).

Almost surely, 2^{140491564353279} is an apocalyptic number.

140491564353279 is a deficient number, since it is larger than the sum of its proper divisors (62440695268137).

140491564353279 is a wasteful number, since it uses less digits than its factorization.

140491564353279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15610173817037 (or 15610173817034 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 63.

The spelling of 140491564353279 in words is "one hundred forty trillion, four hundred ninety-one billion, five hundred sixty-four million, three hundred fifty-three thousand, two hundred seventy-nine".