100788134 has 4 divisors (see below), whose sum is σ = 151182204. Its totient is φ = 50394066.

The previous prime is 100788133. The next prime is 100788143. The reversal of 100788134 is 431887001.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100788134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100788133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25197032 + ... + 25197035.

It is an arithmetic number, because the mean of its divisors is an integer number (37795551).

Almost surely, 2^100788134 is an apocalyptic number.

100788134 is a deficient number, since it is larger than the sum of its proper divisors (50394070).

100788134 is an equidigital number, since it uses as much as digits as its factorization.

100788134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50394069.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 100788134 is about 10039.3293600718. The cubic root of 100788134 is about 465.3750918091.

The spelling of 100788134 in words is "one hundred million, seven hundred eighty-eight thousand, one hundred thirty-four".