133467312 has 40 divisors (see below), whose sum is σ = 376136640. Its totient is φ = 40444480.

The previous prime is 133467311. The next prime is 133467317. The reversal of 133467312 is 213764331.

It is a self number, because there is not a number n which added to its sum of digits gives 133467312.

It is not an unprimeable number, because it can be changed into a prime (133467311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125862 + ... + 126917.

It is an arithmetic number, because the mean of its divisors is an integer number (9403416).

Almost surely, 2^133467312 is an apocalyptic number.

133467312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133467312 is an abundant number, since it is smaller than the sum of its proper divisors (242669328).

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

133467312 is a wasteful number, since it uses less digits than its factorization.

133467312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252801 (or 252795 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 133467312 is about 11552.8053735878. The cubic root of 133467312 is about 511.0440128399.

The spelling of 133467312 in words is "one hundred thirty-three million, four hundred sixty-seven thousand, three hundred twelve".