133651348992 has 240 divisors, whose sum is σ = 441385936992. Its totient is φ = 38138019840.

The previous prime is 133651348979. The next prime is 133651348997. The reversal of 133651348992 is 299843156331.

133651348992 is a `hidden beast` number, since 1 + 3 + 3 + 65 + 13 + 489 + 92 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133651348997) 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, 31511992 + ... + 31516232.

Almost surely, 2^133651348992 is an apocalyptic number.

133651348992 is a gapful number since it is divisible by the number (12) 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 133651348992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220692968496).

133651348992 is an abundant number, since it is smaller than the sum of its proper divisors (307734588000).

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

133651348992 is an equidigital number, since it uses as much as digits as its factorization.

133651348992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249 (or 5230 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The spelling of 133651348992 in words is "one hundred thirty-three billion, six hundred fifty-one million, three hundred forty-eight thousand, nine hundred ninety-two".