133628508256 has 48 divisors (see below), whose sum is σ = 263601547776. Its totient is φ = 66682249216.

The previous prime is 133628508179. The next prime is 133628508259. The reversal of 133628508256 is 652805826331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133628508259) 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 7 ways as a sum of consecutive naturals, for example, 49730145 + ... + 49732831.

It is an arithmetic number, because the mean of its divisors is an integer number (5491698912).

Almost surely, 2^133628508256 is an apocalyptic number.

133628508256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133628508256 is a deficient number, since it is larger than the sum of its proper divisors (129973039520).

133628508256 is a wasteful number, since it uses less digits than its factorization.

133628508256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191 (or 5183 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 133628508256 in words is "one hundred thirty-three billion, six hundred twenty-eight million, five hundred eight thousand, two hundred fifty-six".