140061066613 has 16 divisors (see below), whose sum is σ = 155737824256. Its totient is φ = 125086705920.

The previous prime is 140061066583. The next prime is 140061066619. The reversal of 140061066613 is 316660160041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140061066613 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 (140061066619) 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, 1743181 + ... + 1821757.

It is an arithmetic number, because the mean of its divisors is an integer number (9733614016).

Almost surely, 2^140061066613 is an apocalyptic number.

140061066613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140061066613 is a deficient number, since it is larger than the sum of its proper divisors (15676757643).

140061066613 is a wasteful number, since it uses less digits than its factorization.

140061066613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83044.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 140061066613 in words is "one hundred forty billion, sixty-one million, sixty-six thousand, six hundred thirteen".