133648445612 has 24 divisors (see below), whose sum is σ = 255190392912. Its totient is φ = 60738969600.

The previous prime is 133648445543. The next prime is 133648445617. The reversal of 133648445612 is 216544846331.

It is not an unprimeable number, because it can be changed into a prime (133648445617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6812 + ... + 517052.

It is an arithmetic number, because the mean of its divisors is an integer number (10632933038).

Almost surely, 2^133648445612 is an apocalyptic number.

It is an amenable number.

133648445612 is a deficient number, since it is larger than the sum of its proper divisors (121541947300).

133648445612 is a wasteful number, since it uses less digits than its factorization.

133648445612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516209 (or 516207 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The spelling of 133648445612 in words is "one hundred thirty-three billion, six hundred forty-eight million, four hundred forty-five thousand, six hundred twelve".