140628844 has 24 divisors (see below), whose sum is σ = 248981040. Its totient is φ = 69496896.

The previous prime is 140628793. The next prime is 140628847. The reversal of 140628844 is 448826041.

It is not an unprimeable number, because it can be changed into a prime (140628847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140554 + ... + 141550.

It is an arithmetic number, because the mean of its divisors is an integer number (10374210).

Almost surely, 2^140628844 is an apocalyptic number.

It is an amenable number.

140628844 is a deficient number, since it is larger than the sum of its proper divisors (108352196).

140628844 is a wasteful number, since it uses less digits than its factorization.

140628844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377 (or 1375 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 140628844 is about 11858.7033017948. The cubic root of 140628844 is about 520.0256939967.

The spelling of 140628844 in words is "one hundred forty million, six hundred twenty-eight thousand, eight hundred forty-four".