132635405121601 has 4 divisors (see below), whose sum is σ = 133163833030704. Its totient is φ = 132106977212500.

The previous prime is 132635405121539. The next prime is 132635405121629. The reversal of 132635405121601 is 106121504536231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132635405121601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132635405121641) 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, 264213954175 + ... + 264213954676.

It is an arithmetic number, because the mean of its divisors is an integer number (33290958257676).

Almost surely, 2^{132635405121601} is an apocalyptic number.

It is an amenable number.

132635405121601 is a deficient number, since it is larger than the sum of its proper divisors (528427909103).

132635405121601 is an equidigital number, since it uses as much as digits as its factorization.

132635405121601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528427909102.

The product of its (nonzero) digits is 129600, while the sum is 40.

Adding to 132635405121601 its reverse (106121504536231), we get a palindrome (238756909657832).

The spelling of 132635405121601 in words is "one hundred thirty-two trillion, six hundred thirty-five billion, four hundred five million, one hundred twenty-one thousand, six hundred one".