133585113616 has 20 divisors (see below), whose sum is σ = 259299586924. Its totient is φ = 66669091200.

The previous prime is 133585113601. The next prime is 133585113617. The reversal of 133585113616 is 616311585331.

It can be written as a sum of positive squares in 2 ways, for example, as 67070640400 + 66514473216 = 258980^2 + 257904^2 .

It is not an unprimeable number, because it can be changed into a prime (133585113617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7707675 + ... + 7724986.

Almost surely, 2^133585113616 is an apocalyptic number.

133585113616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133585113616 is a deficient number, since it is larger than the sum of its proper divisors (125714473308).

133585113616 is a wasteful number, since it uses less digits than its factorization.

133585113616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15433210 (or 15433204 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

Adding to 133585113616 its reverse (616311585331), we get a palindrome (749896698947).

The spelling of 133585113616 in words is "one hundred thirty-three billion, five hundred eighty-five million, one hundred thirteen thousand, six hundred sixteen".