140796889 has 2 divisors, whose sum is σ = 140796890. Its totient is φ = 140796888.

The previous prime is 140796883. The next prime is 140796917. The reversal of 140796889 is 988697041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122478489 + 18318400 = 11067^2 + 4280^2 .

It is a cyclic number.

It is not a de Polignac number, because 140796889 - 2⁵ = 140796857 is a prime.

It is not a weakly prime, because it can be changed into another prime (140796883) 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, 70398444 + 70398445.

It is an arithmetic number, because the mean of its divisors is an integer number (70398445).

Almost surely, 2^140796889 is an apocalyptic number.

It is an amenable number.

140796889 is a deficient number, since it is larger than the sum of its proper divisors (1).

140796889 is an equidigital number, since it uses as much as digits as its factorization.

140796889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 140796889 is about 11865.7864888932. The cubic root of 140796889 is about 520.2327471404.

The spelling of 140796889 in words is "one hundred forty million, seven hundred ninety-six thousand, eight hundred eighty-nine".