133961342592 has 512 divisors, whose sum is σ = 484943708160. Its totient is φ = 31688294400.

The previous prime is 133961342551. The next prime is 133961342611. The reversal of 133961342592 is 295243169331.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15578038 + ... + 15586634.

It is an arithmetic number, because the mean of its divisors is an integer number (947155680).

Almost surely, 2^133961342592 is an apocalyptic number.

133961342592 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 133961342592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242471854080).

133961342592 is an abundant number, since it is smaller than the sum of its proper divisors (350982365568).

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

133961342592 is a wasteful number, since it uses less digits than its factorization.

133961342592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8680 (or 8668 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 48.

The spelling of 133961342592 in words is "one hundred thirty-three billion, nine hundred sixty-one million, three hundred forty-two thousand, five hundred ninety-two".