140898859 has 2 divisors, whose sum is σ = 140898860. Its totient is φ = 140898858.

The previous prime is 140898847. The next prime is 140898869. The reversal of 140898859 is 958898041.

140898859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (958898041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140898859 - 2⁵ = 140898827 is a prime.

It is not a weakly prime, because it can be changed into another prime (140898829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70449429 + 70449430.

It is an arithmetic number, because the mean of its divisors is an integer number (70449430).

Almost surely, 2^140898859 is an apocalyptic number.

140898859 is a deficient number, since it is larger than the sum of its proper divisors (1).

140898859 is an equidigital number, since it uses as much as digits as its factorization.

140898859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 140898859 is about 11870.0825186685. The cubic root of 140898859 is about 520.3583070452.

The spelling of 140898859 in words is "one hundred forty million, eight hundred ninety-eight thousand, eight hundred fifty-nine".