134451219966 has 64 divisors (see below), whose sum is σ = 308427429888. Its totient is φ = 38276034048.

The previous prime is 134451219961. The next prime is 134451219967. The reversal of 134451219966 is 669912154431.

134451219966 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134451219961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21160246 + ... + 21166598.

It is an arithmetic number, because the mean of its divisors is an integer number (4819178592).

Almost surely, 2^134451219966 is an apocalyptic number.

134451219966 is an abundant number, since it is smaller than the sum of its proper divisors (173976209922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134451219966 is a wasteful number, since it uses less digits than its factorization.

134451219966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8105.

The product of its digits is 1399680, while the sum is 51.

The spelling of 134451219966 in words is "one hundred thirty-four billion, four hundred fifty-one million, two hundred nineteen thousand, nine hundred sixty-six".