140057268 has 48 divisors (see below), whose sum is σ = 357927360. Its totient is φ = 42361344.

The previous prime is 140057249. The next prime is 140057273. The reversal of 140057268 is 862750041.

140057268 is digitally balanced in base 3, 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 15 ways as a sum of consecutive naturals, for example, 1596 + ... + 16812.

It is an arithmetic number, because the mean of its divisors is an integer number (7456820).

Almost surely, 2^140057268 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 140057268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178963680).

140057268 is an abundant number, since it is smaller than the sum of its proper divisors (217870092).

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

140057268 is a wasteful number, since it uses less digits than its factorization.

140057268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15296 (or 15294 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 140057268 is about 11834.5793334618. The cubic root of 140057268 is about 519.3202014268.

The spelling of 140057268 in words is "one hundred forty million, fifty-seven thousand, two hundred sixty-eight".