133601934528 has 168 divisors, whose sum is σ = 391571500320. Its totient is φ = 43539701760.

The previous prime is 133601934527. The next prime is 133601934533. The reversal of 133601934528 is 825439106331.

133601934528 is a `hidden beast` number, since 1 + 3 + 3 + 6 + 0 + 193 + 452 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (133601934527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5856328 + ... + 5879096.

It is an arithmetic number, because the mean of its divisors is an integer number (2330782740).

Almost surely, 2^133601934528 is an apocalyptic number.

133601934528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133601934528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195785750160).

133601934528 is an abundant number, since it is smaller than the sum of its proper divisors (257969565792).

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

133601934528 is a wasteful number, since it uses less digits than its factorization.

133601934528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23015 (or 23002 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 133601934528 in words is "one hundred thirty-three billion, six hundred one million, nine hundred thirty-four thousand, five hundred twenty-eight".