100138966 has 8 divisors (see below), whose sum is σ = 150257160. Its totient is φ = 50053248.

The previous prime is 100138963. The next prime is 100138967. The reversal of 100138966 is 669831001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100138963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230 + ... + 14326.

It is an arithmetic number, because the mean of its divisors is an integer number (18782145).

Almost surely, 2^100138966 is an apocalyptic number.

100138966 is a deficient number, since it is larger than the sum of its proper divisors (50118194).

100138966 is a wasteful number, since it uses less digits than its factorization.

100138966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16238.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 100138966 is about 10006.9458877322. The cubic root of 100138966 is about 464.3737915202.

Adding to 100138966 its reverse (669831001), we get a palindrome (769969967).

The spelling of 100138966 in words is "one hundred million, one hundred thirty-eight thousand, nine hundred sixty-six".