133940246856 has 64 divisors (see below), whose sum is σ = 363978619200. Its totient is φ = 40827211008.

The previous prime is 133940246809. The next prime is 133940246861. The reversal of 133940246856 is 658642049331.

It is a junction number, because it is equal to n+sod(n) for n = 133940246799 and 133940246808.

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, 1972671 + ... + 2039438.

It is an arithmetic number, because the mean of its divisors is an integer number (5687165925).

Almost surely, 2^133940246856 is an apocalyptic number.

It is an amenable number.

133940246856 is an abundant number, since it is smaller than the sum of its proper divisors (230038372344).

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

133940246856 is a wasteful number, since it uses less digits than its factorization.

133940246856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012238 (or 4012234 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 133940246856 in words is "one hundred thirty-three billion, nine hundred forty million, two hundred forty-six thousand, eight hundred fifty-six".