134566777793 has 32 divisors (see below), whose sum is σ = 160863628800. Its totient is φ = 110128564224.

The previous prime is 134566777789. The next prime is 134566777799. The reversal of 134566777793 is 397777665431.

It is a happy number.

It is not a de Polignac number, because 134566777793 - 2² = 134566777789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134566777799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36997571 + ... + 37001207.

It is an arithmetic number, because the mean of its divisors is an integer number (5026988400).

Almost surely, 2^134566777793 is an apocalyptic number.

It is an amenable number.

134566777793 is a deficient number, since it is larger than the sum of its proper divisors (26296851007).

134566777793 is a wasteful number, since it uses less digits than its factorization.

134566777793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5649.

The product of its digits is 140026320, while the sum is 65.

The spelling of 134566777793 in words is "one hundred thirty-four billion, five hundred sixty-six million, seven hundred seventy-seven thousand, seven hundred ninety-three".