133554143056 has 40 divisors (see below), whose sum is σ = 284222790720. Its totient is φ = 60511942656.

The previous prime is 133554142993. The next prime is 133554143069. The reversal of 133554143056 is 650341455331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9543505 + ... + 9557488.

It is an arithmetic number, because the mean of its divisors is an integer number (7105569768).

Almost surely, 2^133554143056 is an apocalyptic number.

133554143056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133554143056 is an abundant number, since it is smaller than the sum of its proper divisors (150668647664).

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

133554143056 is a wasteful number, since it uses less digits than its factorization.

133554143056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19101043 (or 19101037 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 133554143056 its reverse (650341455331), we get a palindrome (783895598387).

The spelling of 133554143056 in words is "one hundred thirty-three billion, five hundred fifty-four million, one hundred forty-three thousand, fifty-six".