100663140 has 48 divisors (see below), whose sum is σ = 296694720. Its totient is φ = 25430400.

The previous prime is 100663127. The next prime is 100663141. The reversal of 100663140 is 41366001.

It is not an unprimeable number, because it can be changed into a prime (100663141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43011 + ... + 45290.

It is an arithmetic number, because the mean of its divisors is an integer number (6181140).

Almost surely, 2^100663140 is an apocalyptic number.

100663140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100663140 is an abundant number, since it is smaller than the sum of its proper divisors (196031580).

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

100663140 is a wasteful number, since it uses less digits than its factorization.

100663140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88332 (or 88330 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 100663140 is about 10033.1022121774. The cubic root of 100663140 is about 465.1826314637.

It can be divided in two parts, 1006 and 63140, that added together give a palindrome (64146).

The spelling of 100663140 in words is "one hundred million, six hundred sixty-three thousand, one hundred forty".