133552357788 has 24 divisors (see below), whose sum is σ = 311892940800. Its totient is φ = 44478770800.

The previous prime is 133552357787. The next prime is 133552357817. The reversal of 133552357788 is 887753255331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133552357781) 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, 4820838 + ... + 4848461.

It is an arithmetic number, because the mean of its divisors is an integer number (12995539200).

Almost surely, 2^133552357788 is an apocalyptic number.

It is an amenable number.

133552357788 is an abundant number, since it is smaller than the sum of its proper divisors (178340583012).

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

133552357788 is a wasteful number, since it uses less digits than its factorization.

133552357788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9670457 (or 9670455 counting only the distinct ones).

The product of its digits is 21168000, while the sum is 57.

The spelling of 133552357788 in words is "one hundred thirty-three billion, five hundred fifty-two million, three hundred fifty-seven thousand, seven hundred eighty-eight".