140899228 has 12 divisors (see below), whose sum is σ = 251226360. Its totient is φ = 69120272.

The previous prime is 140899217. The next prime is 140899229. The reversal of 140899228 is 822998041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140899229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332098 + ... + 332521.

It is an arithmetic number, because the mean of its divisors is an integer number (20935530).

Almost surely, 2^140899228 is an apocalyptic number.

It is an amenable number.

140899228 is a deficient number, since it is larger than the sum of its proper divisors (110327132).

140899228 is a wasteful number, since it uses less digits than its factorization.

140899228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664676 (or 664674 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 140899228 is about 11870.0980619370. The cubic root of 140899228 is about 520.3587613002.

The spelling of 140899228 in words is "one hundred forty million, eight hundred ninety-nine thousand, two hundred twenty-eight".