100000133 has 4 divisors (see below), whose sum is σ = 101123820. Its totient is φ = 98876448.

The previous prime is 100000127. The next prime is 100000193. The reversal of 100000133 is 331000001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67930564 + 32069569 = 8242^2 + 5663^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000133 - 2²⁶ = 32891269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100000133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000123) 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, 561710 + ... + 561887.

It is an arithmetic number, because the mean of its divisors is an integer number (25280955).

Almost surely, 2^100000133 is an apocalyptic number.

It is an amenable number.

100000133 is a deficient number, since it is larger than the sum of its proper divisors (1123687).

100000133 is an equidigital number, since it uses as much as digits as its factorization.

100000133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123686.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 100000133 is about 10000.0066499978. The cubic root of 100000133 is about 464.1590891383.

Adding to 100000133 its reverse (331000001), we get a palindrome (431000134).

It can be divided in two parts, 1000001 and 33, that multiplied together give a palindrome (33000033).

The spelling of 100000133 in words is "one hundred million, one hundred thirty-three", and thus it is an aban number.