133094719665 has 24 divisors (see below), whose sum is σ = 230707113000. Its totient is φ = 70980897024.

The previous prime is 133094719661. The next prime is 133094719727. The reversal of 133094719665 is 566917490331.

It can be written as a sum of positive squares in 4 ways, for example, as 5068870416 + 128025849249 = 71196^2 + 357807^2 .

It is not a de Polignac number, because 133094719665 - 2² = 133094719661 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133094719661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1428549 + ... + 1518861.

It is an arithmetic number, because the mean of its divisors is an integer number (9612796375).

Almost surely, 2^133094719665 is an apocalyptic number.

133094719665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133094719665 is a deficient number, since it is larger than the sum of its proper divisors (97612393335).

133094719665 is a wasteful number, since it uses less digits than its factorization.

133094719665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123073 (or 123070 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 133094719665 in words is "one hundred thirty-three billion, ninety-four million, seven hundred nineteen thousand, six hundred sixty-five".