133958305828 has 12 divisors (see below), whose sum is σ = 236703026560. Its totient is φ = 66328869672.

The previous prime is 133958305799. The next prime is 133958305837. The reversal of 133958305828 is 828503859331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162570348 + ... + 162571171.

Almost surely, 2^133958305828 is an apocalyptic number.

It is an amenable number.

133958305828 is a deficient number, since it is larger than the sum of its proper divisors (102744720732).

133958305828 is a wasteful number, since it uses less digits than its factorization.

133958305828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325141626 (or 325141624 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 133958305828 in words is "one hundred thirty-three billion, nine hundred fifty-eight million, three hundred five thousand, eight hundred twenty-eight".