133547668556 has 48 divisors (see below), whose sum is σ = 245060411904. Its totient is φ = 63559305216.

The previous prime is 133547668531. The next prime is 133547668561. The reversal of 133547668556 is 655866745331.

It is a happy number.

It is a super-2 number, since 2×133547668556² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133547668495 and 133547668504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27895595 + ... + 27900381.

It is an arithmetic number, because the mean of its divisors is an integer number (5105425248).

Almost surely, 2^133547668556 is an apocalyptic number.

It is an amenable number.

133547668556 is a deficient number, since it is larger than the sum of its proper divisors (111512743348).

133547668556 is a wasteful number, since it uses less digits than its factorization.

133547668556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230 (or 6228 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 59.

The spelling of 133547668556 in words is "one hundred thirty-three billion, five hundred forty-seven million, six hundred sixty-eight thousand, five hundred fifty-six".