100854420136 has 16 divisors (see below), whose sum is σ = 189212714100. Its totient is φ = 50397696384.

The previous prime is 100854420131. The next prime is 100854420157. The reversal of 100854420136 is 631024458001.

It can be written as a sum of positive squares in 2 ways, for example, as 92906697636 + 7947722500 = 304806^2 + 89150^2 .

It is a super-2 number, since 2×100854420136² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100854420131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3674685 + ... + 3702028.

Almost surely, 2^100854420136 is an apocalyptic number.

It is an amenable number.

100854420136 is a deficient number, since it is larger than the sum of its proper divisors (88358293964).

100854420136 is a wasteful number, since it uses less digits than its factorization.

100854420136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7378428 (or 7378424 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 100854420136 its reverse (631024458001), we get a palindrome (731878878137).

The spelling of 100854420136 in words is "one hundred billion, eight hundred fifty-four million, four hundred twenty thousand, one hundred thirty-six".