100634782538 has 8 divisors (see below), whose sum is σ = 158897025120. Its totient is φ = 47669107500.

The previous prime is 100634782537. The next prime is 100634782559. The reversal of 100634782538 is 835287436001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100634782492 and 100634782501.

It is not an unprimeable number, because it can be changed into a prime (100634782537) 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, 1324141838 + ... + 1324141913.

It is an arithmetic number, because the mean of its divisors is an integer number (19862128140).

Almost surely, 2^100634782538 is an apocalyptic number.

100634782538 is a deficient number, since it is larger than the sum of its proper divisors (58262242582).

100634782538 is a wasteful number, since it uses less digits than its factorization.

100634782538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648283772.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 100634782538 in words is "one hundred billion, six hundred thirty-four million, seven hundred eighty-two thousand, five hundred thirty-eight".