133405105404455 has 16 divisors (see below), whose sum is σ = 160965806126400. Its totient is φ = 106138999853568.

The previous prime is 133405105404443. The next prime is 133405105404457. The reversal of 133405105404455 is 554404501504331.

It is a cyclic number.

It is not a de Polignac number, because 133405105404455 - 2⁴² = 129007058893351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133405105404457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84758780 + ... + 86318369.

It is an arithmetic number, because the mean of its divisors is an integer number (10060362882900).

Almost surely, 2^{133405105404455} is an apocalyptic number.

133405105404455 is a deficient number, since it is larger than the sum of its proper divisors (27560700721945).

133405105404455 is a wasteful number, since it uses less digits than its factorization.

133405105404455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171078010.

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 133405105404455 its reverse (554404501504331), we get a palindrome (687809606908786).

The spelling of 133405105404455 in words is "one hundred thirty-three trillion, four hundred five billion, one hundred five million, four hundred four thousand, four hundred fifty-five".