140563515777381 has 16 divisors (see below), whose sum is σ = 213085088518720. Its totient is φ = 91529731203120.

The previous prime is 140563515777379. The next prime is 140563515777389. The reversal of 140563515777381 is 183777515365041.

140563515777381 is a `hidden beast` number, since 1 + 4 + 0 + 5 + 6 + 3 + 51 + 577 + 7 + 3 + 8 + 1 = 666.

It is not a de Polignac number, because 140563515777381 - 2¹ = 140563515777379 is a prime.

It is a super-2 number, since 2×140563515777381² (a number of 29 digits) 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 (140563515777389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60535535350 + ... + 60535537671.

It is an arithmetic number, because the mean of its divisors is an integer number (13317818032420).

Almost surely, 2^{140563515777381} is an apocalyptic number.

It is an amenable number.

140563515777381 is a deficient number, since it is larger than the sum of its proper divisors (72521572741339).

140563515777381 is a wasteful number, since it uses less digits than its factorization.

140563515777381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121071073073 (or 121071073067 counting only the distinct ones).

The product of its (nonzero) digits is 74088000, while the sum is 63.

The spelling of 140563515777381 in words is "one hundred forty trillion, five hundred sixty-three billion, five hundred fifteen million, seven hundred seventy-seven thousand, three hundred eighty-one".