133545030 has 64 divisors (see below), whose sum is σ = 340728768. Its totient is φ = 33382400.

The previous prime is 133545019. The next prime is 133545059. The reversal of 133545030 is 30545331.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 204184 + ... + 204836.

It is an arithmetic number, because the mean of its divisors is an integer number (5323887).

Almost surely, 2^133545030 is an apocalyptic number.

133545030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133545030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170364384).

133545030 is an abundant number, since it is smaller than the sum of its proper divisors (207183738).

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

133545030 is a wasteful number, since it uses less digits than its factorization.

133545030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 133545030 is about 11556.1684826763. The cubic root of 133545030 is about 511.1431872154.

The spelling of 133545030 in words is "one hundred thirty-three million, five hundred forty-five thousand, thirty".