135001661163 has 16 divisors (see below), whose sum is σ = 185093669376. Its totient is φ = 87472074560.

The previous prime is 135001661161. The next prime is 135001661167. The reversal of 135001661163 is 361166100531.

It is a cyclic number.

It is not a de Polignac number, because 135001661163 - 2¹ = 135001661161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135001661161) 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, 2054295 + ... + 2118992.

It is an arithmetic number, because the mean of its divisors is an integer number (11568354336).

Almost surely, 2^135001661163 is an apocalyptic number.

135001661163 is a deficient number, since it is larger than the sum of its proper divisors (50092008213).

135001661163 is a wasteful number, since it uses less digits than its factorization.

135001661163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173594.

The product of its (nonzero) digits is 9720, while the sum is 33.

Adding to 135001661163 its reverse (361166100531), we get a palindrome (496167761694).

The spelling of 135001661163 in words is "one hundred thirty-five billion, one million, six hundred sixty-one thousand, one hundred sixty-three".