133401223432555 has 8 divisors (see below), whose sum is σ = 172395427205232. Its totient is φ = 98511672688608.

The previous prime is 133401223432507. The next prime is 133401223432597. The reversal of 133401223432555 is 555234322104331.

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 133401223432555 - 2³¹ = 133399075948907 is a prime.

It is a super-2 number, since 2×133401223432555² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 1026163257109 + ... + 1026163257238.

It is an arithmetic number, because the mean of its divisors is an integer number (21549428400654).

Almost surely, 2^{133401223432555} is an apocalyptic number.

133401223432555 is a deficient number, since it is larger than the sum of its proper divisors (38994203772677).

133401223432555 is a wasteful number, since it uses less digits than its factorization.

133401223432555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052326514365.

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 133401223432555 its reverse (555234322104331), we get a palindrome (688635545536886).

The spelling of 133401223432555 in words is "one hundred thirty-three trillion, four hundred one billion, two hundred twenty-three million, four hundred thirty-two thousand, five hundred fifty-five".