133959517228 has 48 divisors (see below), whose sum is σ = 248868184320. Its totient is φ = 62956308800.

The previous prime is 133959517201. The next prime is 133959517229. The reversal of 133959517228 is 822715959331.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (133959517229) 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, 25460118 + ... + 25465378.

It is an arithmetic number, because the mean of its divisors is an integer number (5184753840).

Almost surely, 2^133959517228 is an apocalyptic number.

It is an amenable number.

133959517228 is a deficient number, since it is larger than the sum of its proper divisors (114908667092).

133959517228 is a wasteful number, since it uses less digits than its factorization.

133959517228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038 (or 10036 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 55.

The spelling of 133959517228 in words is "one hundred thirty-three billion, nine hundred fifty-nine million, five hundred seventeen thousand, two hundred twenty-eight".