140270928 has 120 divisors (see below), whose sum is σ = 440025408. Its totient is φ = 38320128.

The previous prime is 140270909. The next prime is 140270929. The reversal of 140270928 is 829072041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140270929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52800 + ... + 55392.

Almost surely, 2^140270928 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 140270928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220012704).

140270928 is an abundant number, since it is smaller than the sum of its proper divisors (299754480).

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

140270928 is a wasteful number, since it uses less digits than its factorization.

140270928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641 (or 2628 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 140270928 is about 11843.6028302202. The cubic root of 140270928 is about 519.5841448379.

The spelling of 140270928 in words is "one hundred forty million, two hundred seventy thousand, nine hundred twenty-eight".