133687845708 has 48 divisors (see below), whose sum is σ = 335702201184. Its totient is φ = 41253719040.

The previous prime is 133687845701. The next prime is 133687845719. The reversal of 133687845708 is 807548786331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133687845701) 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 15 ways as a sum of consecutive naturals, for example, 5359135 + ... + 5384022.

It is an arithmetic number, because the mean of its divisors is an integer number (6993795858).

Almost surely, 2^133687845708 is an apocalyptic number.

It is an amenable number.

133687845708 is an abundant number, since it is smaller than the sum of its proper divisors (202014355476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133687845708 is a wasteful number, since it uses less digits than its factorization.

133687845708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10743242 (or 10743240 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 133687845708 in words is "one hundred thirty-three billion, six hundred eighty-seven million, eight hundred forty-five thousand, seven hundred eight".