140846879 has 2 divisors, whose sum is σ = 140846880. Its totient is φ = 140846878.

The previous prime is 140846837. The next prime is 140846897. The reversal of 140846879 is 978648041.

140846879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (140846897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140846879 - 2⁸ = 140846623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140846899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70423439 + 70423440.

It is an arithmetic number, because the mean of its divisors is an integer number (70423440).

Almost surely, 2^140846879 is an apocalyptic number.

140846879 is a deficient number, since it is larger than the sum of its proper divisors (1).

140846879 is an equidigital number, since it uses as much as digits as its factorization.

140846879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 140846879 is about 11867.8927784169. The cubic root of 140846879 is about 520.2943094802.

The spelling of 140846879 in words is "one hundred forty million, eight hundred forty-six thousand, eight hundred seventy-nine".