140122859 has 2 divisors, whose sum is σ = 140122860. Its totient is φ = 140122858.

The previous prime is 140122849. The next prime is 140122861. The reversal of 140122859 is 958221041.

140122859 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 a cyclic number.

It is not a de Polignac number, because 140122859 - 2⁸ = 140122603 is a prime.

It is a super-2 number, since 2×140122859² = 39268831228667762, which contains 22 as substring.

Together with 140122861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140122849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70061429 + 70061430.

It is an arithmetic number, because the mean of its divisors is an integer number (70061430).

Almost surely, 2^140122859 is an apocalyptic number.

140122859 is a deficient number, since it is larger than the sum of its proper divisors (1).

140122859 is an equidigital number, since it uses as much as digits as its factorization.

140122859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 140122859 is about 11837.3501680064. The cubic root of 140122859 is about 519.4012573545.

The spelling of 140122859 in words is "one hundred forty million, one hundred twenty-two thousand, eight hundred fifty-nine".