133021625686 has 32 divisors (see below), whose sum is σ = 210680344800. Its totient is φ = 62816705280.

The previous prime is 133021625651. The next prime is 133021625741. The reversal of 133021625686 is 686526120331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17589346 + ... + 17596906.

It is an arithmetic number, because the mean of its divisors is an integer number (6583760775).

Almost surely, 2^133021625686 is an apocalyptic number.

133021625686 is a deficient number, since it is larger than the sum of its proper divisors (77658719114).

133021625686 is a wasteful number, since it uses less digits than its factorization.

133021625686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8944.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 133021625686 in words is "one hundred thirty-three billion, twenty-one million, six hundred twenty-five thousand, six hundred eighty-six".