134564089989 has 16 divisors (see below), whose sum is σ = 210591936128. Its totient is φ = 74815555392.

The previous prime is 134564089967. The next prime is 134564089993. The reversal of 134564089989 is 989980465431.

It is not a de Polignac number, because 134564089989 - 2¹² = 134564085893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134564089909) 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, 86591302 + ... + 86592855.

It is an arithmetic number, because the mean of its divisors is an integer number (13161996008).

Almost surely, 2^134564089989 is an apocalyptic number.

It is an amenable number.

134564089989 is a deficient number, since it is larger than the sum of its proper divisors (76027846139).

134564089989 is a wasteful number, since it uses less digits than its factorization.

134564089989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173184204.

The product of its (nonzero) digits is 67184640, while the sum is 66.

The spelling of 134564089989 in words is "one hundred thirty-four billion, five hundred sixty-four million, eighty-nine thousand, nine hundred eighty-nine".