100940690 has 8 divisors (see below), whose sum is σ = 181693260. Its totient is φ = 40376272.

The previous prime is 100940689. The next prime is 100940701. The reversal of 100940690 is 96049001.

It can be written as a sum of positive squares in 2 ways, for example, as 81342361 + 19598329 = 9019^2 + 4427^2 .

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

It is a super-2 number, since 2×100940690² = 20378045795352200, which contains 22 as substring.

It is an unprimeable number.

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, 5047025 + ... + 5047044.

Almost surely, 2^100940690 is an apocalyptic number.

100940690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100940690 is a deficient number, since it is larger than the sum of its proper divisors (80752570).

100940690 is a wasteful number, since it uses less digits than its factorization.

100940690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10094076.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 100940690 is about 10046.9244050107. The cubic root of 100940690 is about 465.6097754282.

Adding to 100940690 its reverse (96049001), we get a palindrome (196989691).

The spelling of 100940690 in words is "one hundred million, nine hundred forty thousand, six hundred ninety".