140020161743765 has 8 divisors (see below), whose sum is σ = 168868536777600. Its totient is φ = 111453234271632.

The previous prime is 140020161743723. The next prime is 140020161743867. The reversal of 140020161743765 is 567347161020041.

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

It is a cyclic number.

It is not a de Polignac number, because 140020161743765 - 2⁶ = 140020161743701 is a prime.

It is a super-2 number, since 2×140020161743765² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70361889329 + ... + 70361891318.

It is an arithmetic number, because the mean of its divisors is an integer number (21108567097200).

Almost surely, 2^{140020161743765} is an apocalyptic number.

It is an amenable number.

140020161743765 is a deficient number, since it is larger than the sum of its proper divisors (28848375033835).

140020161743765 is a wasteful number, since it uses less digits than its factorization.

140020161743765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140723780851.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 140020161743765 in words is "one hundred forty trillion, twenty billion, one hundred sixty-one million, seven hundred forty-three thousand, seven hundred sixty-five".