140557128 has 16 divisors (see below), whose sum is σ = 351392880. Its totient is φ = 46852368.

The previous prime is 140557127. The next prime is 140557129. The reversal of 140557128 is 821755041.

It is an interprime number because it is at equal distance from previous prime (140557127) and next prime (140557129).

It is not an unprimeable number, because it can be changed into a prime (140557121) 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, 2928250 + ... + 2928297.

It is an arithmetic number, because the mean of its divisors is an integer number (21962055).

Almost surely, 2^140557128 is an apocalyptic number.

It is an amenable number.

140557128 is an abundant number, since it is smaller than the sum of its proper divisors (210835752).

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

140557128 is a wasteful number, since it uses less digits than its factorization.

140557128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856556 (or 5856552 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 140557128 is about 11855.6791454560. The cubic root of 140557128 is about 519.9372804038.

The spelling of 140557128 in words is "one hundred forty million, five hundred fifty-seven thousand, one hundred twenty-eight".