133836472 has 64 divisors (see below), whose sum is σ = 314979840. Its totient is φ = 51792000.

The previous prime is 133836467. The next prime is 133836473. The reversal of 133836472 is 274638331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133836473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102222 + ... + 103522.

It is an arithmetic number, because the mean of its divisors is an integer number (4921560).

Almost surely, 2^133836472 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 133836472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157489920).

133836472 is an abundant number, since it is smaller than the sum of its proper divisors (181143368).

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

133836472 is a wasteful number, since it uses less digits than its factorization.

133836472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1488 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 133836472 is about 11568.7714127300. The cubic root of 133836472 is about 511.5147481707.

The spelling of 133836472 in words is "one hundred thirty-three million, eight hundred thirty-six thousand, four hundred seventy-two".