140977228 has 12 divisors (see below), whose sum is σ = 281954512. Its totient is φ = 60418800.

The previous prime is 140977223. The next prime is 140977237. The reversal of 140977228 is 822779041.

140977228 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (140977223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2517423 + ... + 2517478.

Almost surely, 2^140977228 is an apocalyptic number.

It is an amenable number.

140977228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140977228 is a wasteful number, since it uses less digits than its factorization.

140977228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034912 (or 5034910 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 140977228 is about 11873.3831741421. The cubic root of 140977228 is about 520.4547648923.

The spelling of 140977228 in words is "one hundred forty million, nine hundred seventy-seven thousand, two hundred twenty-eight".