133561104301 has 8 divisors (see below), whose sum is σ = 134086942584. Its totient is φ = 133035624960.

The previous prime is 133561104263. The next prime is 133561104379. The reversal of 133561104301 is 103401165331.

It can be written as a sum of positive squares in 4 ways, for example, as 42529163076 + 91031941225 = 206226^2 + 301715^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133561104301 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 133561104301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133561101301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668485 + ... + 844981.

It is an arithmetic number, because the mean of its divisors is an integer number (16760867823).

Almost surely, 2^133561104301 is an apocalyptic number.

It is an amenable number.

133561104301 is a deficient number, since it is larger than the sum of its proper divisors (525838283).

133561104301 is a wasteful number, since it uses less digits than its factorization.

133561104301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179471.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 133561104301 its reverse (103401165331), we get a palindrome (236962269632).

The spelling of 133561104301 in words is "one hundred thirty-three billion, five hundred sixty-one million, one hundred four thousand, three hundred one".