140678868 has 72 divisors (see below), whose sum is σ = 370349280. Its totient is φ = 41217600.

The previous prime is 140678827. The next prime is 140678873. The reversal of 140678868 is 868876041.

It is a super-3 number, since 3×140678868³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126298 + ... + 127406.

It is an arithmetic number, because the mean of its divisors is an integer number (5143740).

Almost surely, 2^140678868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140678868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185174640).

140678868 is an abundant number, since it is smaller than the sum of its proper divisors (229670412).

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

140678868 is a wasteful number, since it uses less digits than its factorization.

140678868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 140678868 is about 11860.8122824704. The cubic root of 140678868 is about 520.0873472599.

The spelling of 140678868 in words is "one hundred forty million, six hundred seventy-eight thousand, eight hundred sixty-eight".