133836552 has 48 divisors (see below), whose sum is σ = 366013440. Its totient is φ = 44176608.

The previous prime is 133836539. The next prime is 133836569. The reversal of 133836552 is 255638331.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 1608 + ... + 16439.

It is an arithmetic number, because the mean of its divisors is an integer number (7625280).

Almost surely, 2^133836552 is an apocalyptic number.

133836552 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 133836552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183006720).

133836552 is an abundant number, since it is smaller than the sum of its proper divisors (232176888).

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

133836552 is a wasteful number, since it uses less digits than its factorization.

133836552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18162 (or 18155 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 133836552 is about 11568.7748703136. The cubic root of 133836552 is about 511.5148500890.

The spelling of 133836552 in words is "one hundred thirty-three million, eight hundred thirty-six thousand, five hundred fifty-two".