133385299624 has 8 divisors (see below), whose sum is σ = 250097436810. Its totient is φ = 66692649808.

The previous prime is 133385299577. The next prime is 133385299667. The reversal of 133385299624 is 426992583331.

It can be written as a sum of positive squares in only one way, i.e., 132920034724 + 465264900 = 364582^2 + 21570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8336581219 + ... + 8336581234.

Almost surely, 2^133385299624 is an apocalyptic number.

It is an amenable number.

133385299624 is a deficient number, since it is larger than the sum of its proper divisors (116712137186).

133385299624 is a wasteful number, since it uses less digits than its factorization.

133385299624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16673162459 (or 16673162455 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 55.

The spelling of 133385299624 in words is "one hundred thirty-three billion, three hundred eighty-five million, two hundred ninety-nine thousand, six hundred twenty-four".