140077127809 has 8 divisors (see below), whose sum is σ = 147493729440. Its totient is φ = 132664938336.

The previous prime is 140077127807. The next prime is 140077127849. The reversal of 140077127809 is 908721770041.

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 140077127809 - 2¹ = 140077127807 is a prime.

It is a super-2 number, since 2×140077127809² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140077127807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037764 + ... + 1164949.

It is an arithmetic number, because the mean of its divisors is an integer number (18436716180).

Almost surely, 2^140077127809 is an apocalyptic number.

140077127809 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

140077127809 is a deficient number, since it is larger than the sum of its proper divisors (7416601631).

140077127809 is a wasteful number, since it uses less digits than its factorization.

140077127809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206079.

The product of its (nonzero) digits is 197568, while the sum is 46.

The spelling of 140077127809 in words is "one hundred forty billion, seventy-seven million, one hundred twenty-seven thousand, eight hundred nine".