140127089 has 2 divisors, whose sum is σ = 140127090. Its totient is φ = 140127088.

The previous prime is 140127047. The next prime is 140127173. The reversal of 140127089 is 980721041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108576400 + 31550689 = 10420^2 + 5617^2 .

It is a cyclic number.

It is not a de Polignac number, because 140127089 - 2²⁴ = 123349873 is a prime.

It is a super-2 number, since 2×140127089² = 39271202143227842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (140127019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70063544 + 70063545.

It is an arithmetic number, because the mean of its divisors is an integer number (70063545).

Almost surely, 2^140127089 is an apocalyptic number.

It is an amenable number.

140127089 is a deficient number, since it is larger than the sum of its proper divisors (1).

140127089 is an equidigital number, since it uses as much as digits as its factorization.

140127089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 140127089 is about 11837.5288384020. The cubic root of 140127089 is about 519.4064838279.

The spelling of 140127089 in words is "one hundred forty million, one hundred twenty-seven thousand, eighty-nine".