133433012 has 12 divisors (see below), whose sum is σ = 237913956. Its totient is φ = 65457600.

The previous prime is 133433009. The next prime is 133433039. The reversal of 133433012 is 210334331.

It can be written as a sum of positive squares in 2 ways, for example, as 104121616 + 29311396 = 10204^2 + 5414^2 .

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314489 + ... + 314912.

It is an arithmetic number, because the mean of its divisors is an integer number (19826163).

Almost surely, 2^133433012 is an apocalyptic number.

It is an amenable number.

133433012 is a deficient number, since it is larger than the sum of its proper divisors (104480944).

133433012 is a wasteful number, since it uses less digits than its factorization.

133433012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629458 (or 629456 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133433012 is about 11551.3207902819. The cubic root of 133433012 is about 511.0002310550. Note that the first 3 decimals are identical.

Adding to 133433012 its reverse (210334331), we get a palindrome (343767343).

The spelling of 133433012 in words is "one hundred thirty-three million, four hundred thirty-three thousand, twelve".