140739635838961 has 8 divisors (see below), whose sum is σ = 143047194018624. Its totient is φ = 138432088983120.

The previous prime is 140739635838947. The next prime is 140739635838983. The reversal of 140739635838961 is 169838536937041.

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

It is not a de Polignac number, because 140739635838961 - 2²⁹ = 140739098968049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140739635838911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24352506 + ... + 29572348.

It is an arithmetic number, because the mean of its divisors is an integer number (17880899252328).

Almost surely, 2^{140739635838961} is an apocalyptic number.

It is an amenable number.

140739635838961 is a deficient number, since it is larger than the sum of its proper divisors (2307558179663).

140739635838961 is an equidigital number, since it uses as much as digits as its factorization.

140739635838961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661911.

The product of its (nonzero) digits is 705438720, while the sum is 73.

The spelling of 140739635838961 in words is "one hundred forty trillion, seven hundred thirty-nine billion, six hundred thirty-five million, eight hundred thirty-eight thousand, nine hundred sixty-one".