140228890 has 16 divisors (see below), whose sum is σ = 259234632. Its totient is φ = 54575424.

The previous prime is 140228857. The next prime is 140228929. The reversal of 140228890 is 98822041.

140228890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 108430569 + 31798321 = 10413^2 + 5639^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189129 + ... + 189868.

Almost surely, 2^140228890 is an apocalyptic number.

140228890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140228890 is a deficient number, since it is larger than the sum of its proper divisors (119005742).

140228890 is a wasteful number, since it uses less digits than its factorization.

140228890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379041.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 140228890 is about 11841.8279838883. The cubic root of 140228890 is about 519.5322346739.

The spelling of 140228890 in words is "one hundred forty million, two hundred twenty-eight thousand, eight hundred ninety".