134564220401 has 16 divisors (see below), whose sum is σ = 145631418240. Its totient is φ = 123600142080.

The previous prime is 134564220379. The next prime is 134564220431. The reversal of 134564220401 is 104022465431.

It is a cyclic number.

It is not a de Polignac number, because 134564220401 - 2⁶ = 134564220337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134564220431) 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, 4116146 + ... + 4148708.

It is an arithmetic number, because the mean of its divisors is an integer number (9101963640).

Almost surely, 2^134564220401 is an apocalyptic number.

It is an amenable number.

134564220401 is a deficient number, since it is larger than the sum of its proper divisors (11067197839).

134564220401 is a wasteful number, since it uses less digits than its factorization.

134564220401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34136.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 134564220401 its reverse (104022465431), we get a palindrome (238586685832).

The spelling of 134564220401 in words is "one hundred thirty-four billion, five hundred sixty-four million, two hundred twenty thousand, four hundred one".