100804138 has 8 divisors (see below), whose sum is σ = 151795332. Its totient is φ = 50205696.

The previous prime is 100804103. The next prime is 100804153. The reversal of 100804138 is 831408001.

It can be written as a sum of positive squares in 2 ways, for example, as 82029249 + 18774889 = 9057^2 + 4333^2 .

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

It is a super-2 number, since 2×100804138² = 20322948475846088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97545 + ... + 98572.

Almost surely, 2^100804138 is an apocalyptic number.

100804138 is a deficient number, since it is larger than the sum of its proper divisors (50991194).

100804138 is a wasteful number, since it uses less digits than its factorization.

100804138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196376.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 100804138 is about 10040.1263936267. The cubic root of 100804138 is about 465.3997225816.

The spelling of 100804138 in words is "one hundred million, eight hundred four thousand, one hundred thirty-eight".