133869060 has 144 divisors (see below), whose sum is σ = 460474560. Its totient is φ = 31207680.

The previous prime is 133869013. The next prime is 133869089. The reversal of 133869060 is 60968331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42955 + ... + 45965.

It is an arithmetic number, because the mean of its divisors is an integer number (3197740).

Almost surely, 2^133869060 is an apocalyptic number.

133869060 is a gapful number since it is divisible by the number (10) 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 133869060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230237280).

133869060 is an abundant number, since it is smaller than the sum of its proper divisors (326605500).

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

133869060 is a wasteful number, since it uses less digits than its factorization.

133869060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058 (or 3053 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 133869060 is about 11570.1797738842. The cubic root of 133869060 is about 511.5562612441.

The spelling of 133869060 in words is "one hundred thirty-three million, eight hundred sixty-nine thousand, sixty".