133332544156 has 96 divisors (see below), whose sum is σ = 283432181760. Its totient is φ = 53610600384.

The previous prime is 133332544123. The next prime is 133332544157. The reversal of 133332544156 is 651445233331.

It is a super-3 number, since 3×133332544156³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133332544157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25140201 + ... + 25145503.

It is an arithmetic number, because the mean of its divisors is an integer number (2952418560).

Almost surely, 2^133332544156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133332544156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141716090880).

133332544156 is an abundant number, since it is smaller than the sum of its proper divisors (150099637604).

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

133332544156 is a wasteful number, since it uses less digits than its factorization.

133332544156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5783 (or 5781 counting only the distinct ones).

The product of its digits is 388800, while the sum is 40.

Adding to 133332544156 its reverse (651445233331), we get a palindrome (784777777487).

The spelling of 133332544156 in words is "one hundred thirty-three billion, three hundred thirty-two million, five hundred forty-four thousand, one hundred fifty-six".