33136132561 has 8 divisors (see below), whose sum is σ = 38081430720. Its totient is φ = 28243725648.

The previous prime is 33136132553. The next prime is 33136132609. The reversal of 33136132561 is 16523163133.

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

It is a cyclic number.

It is not a de Polignac number, because 33136132561 - 2³ = 33136132553 is a prime.

It is a super-2 number, since 2×33136132561² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33136132501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13221466 + ... + 13223971.

It is an arithmetic number, because the mean of its divisors is an integer number (4760178840).

Almost surely, 2^33136132561 is an apocalyptic number.

It is an amenable number.

33136132561 is a deficient number, since it is larger than the sum of its proper divisors (4945298159).

33136132561 is a wasteful number, since it uses less digits than its factorization.

33136132561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26445623.

The product of its digits is 29160, while the sum is 34.

Adding to 33136132561 its reverse (16523163133), we get a palindrome (49659295694).

The spelling of 33136132561 in words is "thirty-three billion, one hundred thirty-six million, one hundred thirty-two thousand, five hundred sixty-one".