140027161 has 4 divisors (see below), whose sum is σ = 141386752. Its totient is φ = 138667572.

The previous prime is 140027141. The next prime is 140027179. The reversal of 140027161 is 161720041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140027161 - 2⁷ = 140027033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140027141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679641 + ... + 679846.

It is an arithmetic number, because the mean of its divisors is an integer number (35346688).

Almost surely, 2^140027161 is an apocalyptic number.

It is an amenable number.

140027161 is a deficient number, since it is larger than the sum of its proper divisors (1359591).

140027161 is a wasteful number, since it uses less digits than its factorization.

140027161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359590.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 140027161 is about 11833.3072722718. The cubic root of 140027161 is about 519.2829873786.

It can be divided in two parts, 1400 and 27161, that added together give a 4-th power (28561 = 13⁴).

The spelling of 140027161 in words is "one hundred forty million, twenty-seven thousand, one hundred sixty-one".