133659072 has 280 divisors, whose sum is σ = 442569600. Its totient is φ = 39688704.

The previous prime is 133659067. The next prime is 133659089. The reversal of 133659072 is 270956331.

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

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 2265379 + ... + 2265437.

Almost surely, 2^133659072 is an apocalyptic number.

133659072 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 133659072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221284800).

133659072 is an abundant number, since it is smaller than the sum of its proper divisors (308910528).

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

133659072 is a wasteful number, since it uses less digits than its factorization.

133659072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 133659072 is about 11561.1016776084. The cubic root of 133659072 is about 511.2886442853.

The spelling of 133659072 in words is "one hundred thirty-three million, six hundred fifty-nine thousand, seventy-two".