100628140 has 12 divisors (see below), whose sum is σ = 211319136. Its totient is φ = 40251248.

The previous prime is 100628137. The next prime is 100628141. The reversal of 100628140 is 41826001.

It is not an unprimeable number, because it can be changed into a prime (100628141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2515684 + ... + 2515723.

It is an arithmetic number, because the mean of its divisors is an integer number (17609928).

Almost surely, 2^100628140 is an apocalyptic number.

100628140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100628140 is an abundant number, since it is smaller than the sum of its proper divisors (110690996).

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

100628140 is a wasteful number, since it uses less digits than its factorization.

100628140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031416 (or 5031414 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 100628140 is about 10031.3578343114. The cubic root of 100628140 is about 465.1287114309.

The spelling of 100628140 in words is "one hundred million, six hundred twenty-eight thousand, one hundred forty".