140678559 has 48 divisors (see below), whose sum is σ = 244844640. Its totient is φ = 79591680.

The previous prime is 140678521. The next prime is 140678599. The reversal of 140678559 is 955876041.

140678559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140678559 - 2⁸ = 140678303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140678599) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149029 + ... + 149969.

It is an arithmetic number, because the mean of its divisors is an integer number (5100930).

Almost surely, 2^140678559 is an apocalyptic number.

140678559 is a deficient number, since it is larger than the sum of its proper divisors (104166081).

140678559 is a wasteful number, since it uses less digits than its factorization.

140678559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 140678559 is about 11860.7992563739. The cubic root of 140678559 is about 520.0869664704.

The spelling of 140678559 in words is "one hundred forty million, six hundred seventy-eight thousand, five hundred fifty-nine".