140610889 has 2 divisors, whose sum is σ = 140610890. Its totient is φ = 140610888.

The previous prime is 140610857. The next prime is 140610901. The reversal of 140610889 is 988016041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92544400 + 48066489 = 9620^2 + 6933^2 .

It is an emirp because it is prime and its reverse (988016041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140610889 - 2⁵ = 140610857 is a prime.

It is not a weakly prime, because it can be changed into another prime (140610839) 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 as a sum of consecutive naturals, namely, 70305444 + 70305445.

It is an arithmetic number, because the mean of its divisors is an integer number (70305445).

Almost surely, 2^140610889 is an apocalyptic number.

It is an amenable number.

140610889 is a deficient number, since it is larger than the sum of its proper divisors (1).

140610889 is an equidigital number, since it uses as much as digits as its factorization.

140610889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 140610889 is about 11857.9462387042. The cubic root of 140610889 is about 520.0035613661.

The spelling of 140610889 in words is "one hundred forty million, six hundred ten thousand, eight hundred eighty-nine".