140446878 has 96 divisors (see below), whose sum is σ = 347493888. Its totient is φ = 37519680.

The previous prime is 140446861. The next prime is 140446907. The reversal of 140446878 is 878644041.

It is a happy number.

140446878 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 an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216751 + ... + 217397.

It is an arithmetic number, because the mean of its divisors is an integer number (3619728).

Almost surely, 2^140446878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140446878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173746944).

140446878 is an abundant number, since it is smaller than the sum of its proper divisors (207047010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140446878 is a wasteful number, since it uses less digits than its factorization.

140446878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 140446878 is about 11851.0285629560. The cubic root of 140446878 is about 519.8013022902.

The spelling of 140446878 in words is "one hundred forty million, four hundred forty-six thousand, eight hundred seventy-eight".