133761206799 has 18 divisors (see below), whose sum is σ = 212372018768. Its totient is φ = 81067397400.

The previous prime is 133761206767. The next prime is 133761206801. The reversal of 133761206799 is 997602167331.

It is a happy number.

133761206799 is a `hidden beast` number, since 1 + 3 + 376 + 120 + 67 + 99 = 666.

It is not a de Polignac number, because 133761206799 - 2⁵ = 133761206767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133761206729) 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 17 ways as a sum of consecutive naturals, for example, 61413607 + ... + 61415784.

Almost surely, 2^133761206799 is an apocalyptic number.

133761206799 is a deficient number, since it is larger than the sum of its proper divisors (78610811969).

133761206799 is a wasteful number, since it uses less digits than its factorization.

133761206799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122829419 (or 122829405 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The spelling of 133761206799 in words is "one hundred thirty-three billion, seven hundred sixty-one million, two hundred six thousand, seven hundred ninety-nine".