133358623488 has 216 divisors, whose sum is σ = 388509318288. Its totient is φ = 43992539136.

The previous prime is 133358623481. The next prime is 133358623553. The reversal of 133358623488 is 884326853331.

It is a happy number.

133358623488 is a `hidden beast` number, since 1 + 3 + 3 + 3 + 5 + 8 + 623 + 4 + 8 + 8 = 666.

It is a Cunningham number, because it is equal to 365183²-1.

It is a super-2 number, since 2×133358623488² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133358623481) 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, 114667195 + ... + 114668357.

Almost surely, 2^133358623488 is an apocalyptic number.

133358623488 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 133358623488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194254659144).

133358623488 is an abundant number, since it is smaller than the sum of its proper divisors (255150694800).

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

133358623488 is a wasteful number, since it uses less digits than its factorization.

133358623488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1642 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 133358623488 in words is "one hundred thirty-three billion, three hundred fifty-eight million, six hundred twenty-three thousand, four hundred eighty-eight".