140422678 has 12 divisors (see below), whose sum is σ = 231523740. Its totient is φ = 63828380.

The previous prime is 140422661. The next prime is 140422679. The reversal of 140422678 is 876224041.

It is a happy number.

140422678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140422679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289888 + ... + 290371.

It is an arithmetic number, because the mean of its divisors is an integer number (19293645).

Almost surely, 2^140422678 is an apocalyptic number.

140422678 is a deficient number, since it is larger than the sum of its proper divisors (91101062).

140422678 is a wasteful number, since it uses less digits than its factorization.

140422678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580283 (or 580272 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 140422678 is about 11850.0075105461. The cubic root of 140422678 is about 519.7714454166.

The spelling of 140422678 in words is "one hundred forty million, four hundred twenty-two thousand, six hundred seventy-eight".