140772166771 has 8 divisors (see below), whose sum is σ = 149846187600. Its totient is φ = 131864641920.

The previous prime is 140772166709. The next prime is 140772166813. The reversal of 140772166771 is 177661277041.

It is a happy number.

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 140772166771 - 2²³ = 140763778163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140752166771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41622250 + ... + 41625631.

It is an arithmetic number, because the mean of its divisors is an integer number (18730773450).

Almost surely, 2^140772166771 is an apocalyptic number.

140772166771 is a deficient number, since it is larger than the sum of its proper divisors (9074020829).

140772166771 is an equidigital number, since it uses as much as digits as its factorization.

140772166771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83247989.

The product of its (nonzero) digits is 691488, while the sum is 49.

The spelling of 140772166771 in words is "one hundred forty billion, seven hundred seventy-two million, one hundred sixty-six thousand, seven hundred seventy-one".