133545012 has 24 divisors (see below), whose sum is σ = 312539136. Its totient is φ = 44381568.

The previous prime is 133545011. The next prime is 133545017. The reversal of 133545012 is 210545331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133545011) 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 7 ways as a sum of consecutive naturals, for example, 12468 + ... + 20555.

It is an arithmetic number, because the mean of its divisors is an integer number (13022464).

Almost surely, 2^133545012 is an apocalyptic number.

133545012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133545012 is an abundant number, since it is smaller than the sum of its proper divisors (178994124).

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

133545012 is a wasteful number, since it uses less digits than its factorization.

133545012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33367 (or 33365 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 133545012 is about 11556.1677038714. The cubic root of 133545012 is about 511.1431642504.

The spelling of 133545012 in words is "one hundred thirty-three million, five hundred forty-five thousand, twelve".