133542968 has 32 divisors (see below), whose sum is σ = 281383200. Its totient is φ = 58954368.

The previous prime is 133542967. The next prime is 133542971. The reversal of 133542968 is 869245331.

133542968 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133542961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25523 + ... + 30306.

It is an arithmetic number, because the mean of its divisors is an integer number (8793225).

Almost surely, 2^133542968 is an apocalyptic number.

It is an amenable number.

133542968 is an abundant number, since it is smaller than the sum of its proper divisors (147840232).

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

133542968 is a wasteful number, since it uses less digits than its factorization.

133542968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55871 (or 55867 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 133542968 is about 11556.0792659102. The cubic root of 133542968 is about 511.1405564357.

The spelling of 133542968 in words is "one hundred thirty-three million, five hundred forty-two thousand, nine hundred sixty-eight".