133383959797 has 16 divisors (see below), whose sum is σ = 145885955904. Its totient is φ = 120944880000.

The previous prime is 133383959767. The next prime is 133383959801. The reversal of 133383959797 is 797959383331.

It is a cyclic number.

It is not a de Polignac number, because 133383959797 - 2¹⁹ = 133383435509 is a prime.

It is a super-3 number, since 3×133383959797³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133383959707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21165547 + ... + 21171847.

It is an arithmetic number, because the mean of its divisors is an integer number (9117872244).

Almost surely, 2^133383959797 is an apocalyptic number.

It is an amenable number.

133383959797 is a deficient number, since it is larger than the sum of its proper divisors (12501996107).

133383959797 is a wasteful number, since it uses less digits than its factorization.

133383959797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10980.

The product of its digits is 115736040, while the sum is 67.

The spelling of 133383959797 in words is "one hundred thirty-three billion, three hundred eighty-three million, nine hundred fifty-nine thousand, seven hundred ninety-seven".