133867547268 has 192 divisors, whose sum is σ = 407360378880. Its totient is φ = 33203939328.

The previous prime is 133867547267. The next prime is 133867547321. The reversal of 133867547268 is 862745768331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133867547267) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43419655 + ... + 43422737.

It is an arithmetic number, because the mean of its divisors is an integer number (2121668640).

Almost surely, 2^133867547268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133867547268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203680189440).

133867547268 is an abundant number, since it is smaller than the sum of its proper divisors (273492831612).

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

133867547268 is a wasteful number, since it uses less digits than its factorization.

133867547268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466 (or 5464 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 60.

The spelling of 133867547268 in words is "one hundred thirty-three billion, eight hundred sixty-seven million, five hundred forty-seven thousand, two hundred sixty-eight".