140828266 has 12 divisors (see below), whose sum is σ = 222946722. Its totient is φ = 66707784.

The previous prime is 140828243. The next prime is 140828297. The reversal of 140828266 is 662828041.

140828266 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 136539225 + 4289041 = 11685^2 + 2071^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96805 + ... + 98248.

Almost surely, 2^140828266 is an apocalyptic number.

140828266 is a deficient number, since it is larger than the sum of its proper divisors (82118456).

140828266 is a wasteful number, since it uses less digits than its factorization.

140828266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195093 (or 195074 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 140828266 is about 11867.1085779140. The cubic root of 140828266 is about 520.2713894016.

The spelling of 140828266 in words is "one hundred forty million, eight hundred twenty-eight thousand, two hundred sixty-six".