133044912 has 360 divisors, whose sum is σ = 509753088. Its totient is φ = 31449600.

The previous prime is 133044911. The next prime is 133044913. The reversal of 133044912 is 219440331.

It is an interprime number because it is at equal distance from previous prime (133044911) and next prime (133044913).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133044911) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1873837 + ... + 1873907.

Almost surely, 2^133044912 is an apocalyptic number.

133044912 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 133044912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254876544).

133044912 is an abundant number, since it is smaller than the sum of its proper divisors (376708176).

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

133044912 is a wasteful number, since it uses less digits than its factorization.

133044912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 133044912 is about 11534.5096124629. The cubic root of 133044912 is about 510.5043223503.

It can be divided in two parts, 133044 and 912, that added together give a square (133956 = 366²).

The spelling of 133044912 in words is "one hundred thirty-three million, forty-four thousand, nine hundred twelve".